diff --git a/gerbview/CMakeLists.txt b/gerbview/CMakeLists.txt
index 55c8b9cf7d..c54b5b5d25 100644
--- a/gerbview/CMakeLists.txt
+++ b/gerbview/CMakeLists.txt
@@ -18,6 +18,8 @@ include_directories(
 set( DIALOGS_SRCS
     dialogs/panel_gerbview_display_options.cpp
     dialogs/panel_gerbview_display_options_base.cpp
+    dialogs/panel_gerbview_excellon_settings.cpp
+    dialogs/panel_gerbview_excellon_settings_base.cpp
     dialogs/panel_gerbview_settings.cpp
     dialogs/panel_gerbview_settings_base.cpp
     dialogs/dialog_layers_select_to_pcb.cpp
diff --git a/gerbview/dialogs/panel_gerbview_display_options_base.cpp b/gerbview/dialogs/panel_gerbview_display_options_base.cpp
index 958a7cdc5e..69d330767b 100644
--- a/gerbview/dialogs/panel_gerbview_display_options_base.cpp
+++ b/gerbview/dialogs/panel_gerbview_display_options_base.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Dec 30 2017)
+// C++ code generated with wxFormBuilder (version Oct 26 2018)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO *NOT* EDIT THIS FILE!
@@ -9,53 +9,53 @@
 
 ///////////////////////////////////////////////////////////////////////////
 
-PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE::PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE( wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style ) : wxPanel( parent, id, pos, size, style )
+PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE::PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE( wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name ) : wxPanel( parent, id, pos, size, style, name )
 {
 	wxBoxSizer* bDialogSizer;
 	bDialogSizer = new wxBoxSizer( wxVERTICAL );
-	
+
 	m_UpperSizer = new wxBoxSizer( wxHORIZONTAL );
-	
+
 	m_galOptionsSizer = new wxBoxSizer( wxVERTICAL );
-	
-	
+
+
 	m_UpperSizer->Add( m_galOptionsSizer, 1, wxEXPAND, 5 );
-	
+
 	wxBoxSizer* bRightSizer;
 	bRightSizer = new wxBoxSizer( wxVERTICAL );
-	
+
 	wxStaticBoxSizer* sbSizer1;
 	sbSizer1 = new wxStaticBoxSizer( new wxStaticBox( this, wxID_ANY, _("Annotations") ), wxVERTICAL );
-	
+
 	m_OptDisplayDCodes = new wxCheckBox( sbSizer1->GetStaticBox(), wxID_ANY, _("Show D codes"), wxDefaultPosition, wxDefaultSize, 0 );
-	m_OptDisplayDCodes->SetValue(true); 
+	m_OptDisplayDCodes->SetValue(true);
 	sbSizer1->Add( m_OptDisplayDCodes, 0, wxBOTTOM|wxLEFT, 5 );
-	
-	
+
+
 	bRightSizer->Add( sbSizer1, 0, wxEXPAND|wxALL, 5 );
-	
+
 	wxStaticBoxSizer* sbSizer2;
 	sbSizer2 = new wxStaticBoxSizer( new wxStaticBox( this, wxID_ANY, _("Drawing Mode") ), wxVERTICAL );
-	
+
 	m_OptDisplayFlashedItems = new wxCheckBox( sbSizer2->GetStaticBox(), wxID_ANY, _("Sketch flashed items"), wxDefaultPosition, wxDefaultSize, 0 );
 	sbSizer2->Add( m_OptDisplayFlashedItems, 0, wxBOTTOM|wxRIGHT|wxLEFT, 5 );
-	
+
 	m_OptDisplayLines = new wxCheckBox( sbSizer2->GetStaticBox(), wxID_ANY, _("Sketch lines"), wxDefaultPosition, wxDefaultSize, 0 );
 	sbSizer2->Add( m_OptDisplayLines, 0, wxALL, 5 );
-	
+
 	m_OptDisplayPolygons = new wxCheckBox( sbSizer2->GetStaticBox(), wxID_ANY, _("Sketch polygons"), wxDefaultPosition, wxDefaultSize, 0 );
 	sbSizer2->Add( m_OptDisplayPolygons, 0, wxALL, 5 );
-	
-	
+
+
 	bRightSizer->Add( sbSizer2, 0, wxEXPAND|wxTOP|wxRIGHT|wxLEFT, 5 );
-	
-	
+
+
 	m_UpperSizer->Add( bRightSizer, 1, wxEXPAND|wxRIGHT|wxLEFT, 5 );
-	
-	
+
+
 	bDialogSizer->Add( m_UpperSizer, 1, wxEXPAND, 5 );
-	
-	
+
+
 	this->SetSizer( bDialogSizer );
 	this->Layout();
 	bDialogSizer->Fit( this );
diff --git a/gerbview/dialogs/panel_gerbview_display_options_base.fbp b/gerbview/dialogs/panel_gerbview_display_options_base.fbp
index 34b1372571..0290c324db 100644
--- a/gerbview/dialogs/panel_gerbview_display_options_base.fbp
+++ b/gerbview/dialogs/panel_gerbview_display_options_base.fbp
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
 <wxFormBuilder_Project>
-    <FileVersion major="1" minor="13" />
+    <FileVersion major="1" minor="15" />
     <object class="Project" expanded="1">
-        <property name="class_decoration"></property>
+        <property name="class_decoration" />
         <property name="code_generation">C++</property>
         <property name="disconnect_events">1</property>
         <property name="disconnect_mode">source_name</property>
@@ -16,9 +16,9 @@
         <property name="help_provider">none</property>
         <property name="internationalize">1</property>
         <property name="name">PanelGerbviewDisplayOptions</property>
-        <property name="namespace"></property>
+        <property name="namespace" />
         <property name="path">.</property>
-        <property name="precompiled_header"></property>
+        <property name="precompiled_header" />
         <property name="relative_path">1</property>
         <property name="skip_lua_events">1</property>
         <property name="skip_php_events">1</property>
@@ -29,57 +29,57 @@
         <object class="Panel" expanded="1">
             <property name="aui_managed">0</property>
             <property name="aui_manager_style">wxAUI_MGR_DEFAULT</property>
-            <property name="bg"></property>
-            <property name="context_help"></property>
+            <property name="bg" />
+            <property name="context_help" />
             <property name="context_menu">1</property>
             <property name="enabled">1</property>
             <property name="event_handler">impl_virtual</property>
-            <property name="fg"></property>
-            <property name="font"></property>
+            <property name="fg" />
+            <property name="font" />
             <property name="hidden">0</property>
             <property name="id">wxID_ANY</property>
-            <property name="maximum_size"></property>
-            <property name="minimum_size"></property>
+            <property name="maximum_size" />
+            <property name="minimum_size" />
             <property name="name">PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE</property>
-            <property name="pos"></property>
+            <property name="pos" />
             <property name="size">-1,-1</property>
             <property name="subclass">; forward_declare</property>
-            <property name="tooltip"></property>
-            <property name="window_extra_style"></property>
-            <property name="window_name"></property>
+            <property name="tooltip" />
+            <property name="window_extra_style" />
+            <property name="window_name" />
             <property name="window_style">wxTAB_TRAVERSAL</property>
-            <event name="OnAuiFindManager"></event>
-            <event name="OnAuiPaneButton"></event>
-            <event name="OnAuiPaneClose"></event>
-            <event name="OnAuiPaneMaximize"></event>
-            <event name="OnAuiPaneRestore"></event>
-            <event name="OnAuiRender"></event>
-            <event name="OnChar"></event>
-            <event name="OnEnterWindow"></event>
-            <event name="OnEraseBackground"></event>
-            <event name="OnInitDialog"></event>
-            <event name="OnKeyDown"></event>
-            <event name="OnKeyUp"></event>
-            <event name="OnKillFocus"></event>
-            <event name="OnLeaveWindow"></event>
-            <event name="OnLeftDClick"></event>
-            <event name="OnLeftDown"></event>
-            <event name="OnLeftUp"></event>
-            <event name="OnMiddleDClick"></event>
-            <event name="OnMiddleDown"></event>
-            <event name="OnMiddleUp"></event>
-            <event name="OnMotion"></event>
-            <event name="OnMouseEvents"></event>
-            <event name="OnMouseWheel"></event>
-            <event name="OnPaint"></event>
-            <event name="OnRightDClick"></event>
-            <event name="OnRightDown"></event>
-            <event name="OnRightUp"></event>
-            <event name="OnSetFocus"></event>
-            <event name="OnSize"></event>
-            <event name="OnUpdateUI"></event>
+            <event name="OnAuiFindManager" />
+            <event name="OnAuiPaneButton" />
+            <event name="OnAuiPaneClose" />
+            <event name="OnAuiPaneMaximize" />
+            <event name="OnAuiPaneRestore" />
+            <event name="OnAuiRender" />
+            <event name="OnChar" />
+            <event name="OnEnterWindow" />
+            <event name="OnEraseBackground" />
+            <event name="OnInitDialog" />
+            <event name="OnKeyDown" />
+            <event name="OnKeyUp" />
+            <event name="OnKillFocus" />
+            <event name="OnLeaveWindow" />
+            <event name="OnLeftDClick" />
+            <event name="OnLeftDown" />
+            <event name="OnLeftUp" />
+            <event name="OnMiddleDClick" />
+            <event name="OnMiddleDown" />
+            <event name="OnMiddleUp" />
+            <event name="OnMotion" />
+            <event name="OnMouseEvents" />
+            <event name="OnMouseWheel" />
+            <event name="OnPaint" />
+            <event name="OnRightDClick" />
+            <event name="OnRightDown" />
+            <event name="OnRightUp" />
+            <event name="OnSetFocus" />
+            <event name="OnSize" />
+            <event name="OnUpdateUI" />
             <object class="wxBoxSizer" expanded="1">
-                <property name="minimum_size"></property>
+                <property name="minimum_size" />
                 <property name="name">bDialogSizer</property>
                 <property name="orient">wxVERTICAL</property>
                 <property name="permission">none</property>
@@ -88,7 +88,7 @@
                     <property name="flag">wxEXPAND</property>
                     <property name="proportion">1</property>
                     <object class="wxBoxSizer" expanded="1">
-                        <property name="minimum_size"></property>
+                        <property name="minimum_size" />
                         <property name="name">m_UpperSizer</property>
                         <property name="orient">wxHORIZONTAL</property>
                         <property name="permission">protected</property>
@@ -97,7 +97,7 @@
                             <property name="flag">wxEXPAND</property>
                             <property name="proportion">1</property>
                             <object class="wxBoxSizer" expanded="1">
-                                <property name="minimum_size"></property>
+                                <property name="minimum_size" />
                                 <property name="name">m_galOptionsSizer</property>
                                 <property name="orient">wxVERTICAL</property>
                                 <property name="permission">protected</property>
@@ -108,7 +108,7 @@
                             <property name="flag">wxEXPAND|wxRIGHT|wxLEFT</property>
                             <property name="proportion">1</property>
                             <object class="wxBoxSizer" expanded="1">
-                                <property name="minimum_size"></property>
+                                <property name="minimum_size" />
                                 <property name="name">bRightSizer</property>
                                 <property name="orient">wxVERTICAL</property>
                                 <property name="permission">none</property>
@@ -119,12 +119,12 @@
                                     <object class="wxStaticBoxSizer" expanded="1">
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">Annotations</property>
-                                        <property name="minimum_size"></property>
+                                        <property name="minimum_size" />
                                         <property name="name">sbSizer1</property>
                                         <property name="orient">wxVERTICAL</property>
                                         <property name="parent">1</property>
                                         <property name="permission">none</property>
-                                        <event name="OnUpdateUI"></event>
+                                        <event name="OnUpdateUI" />
                                         <object class="sizeritem" expanded="1">
                                             <property name="border">5</property>
                                             <property name="flag">wxBOTTOM|wxLEFT</property>
@@ -134,83 +134,83 @@
                                                 <property name="LeftDockable">1</property>
                                                 <property name="RightDockable">1</property>
                                                 <property name="TopDockable">1</property>
-                                                <property name="aui_layer"></property>
-                                                <property name="aui_name"></property>
-                                                <property name="aui_position"></property>
-                                                <property name="aui_row"></property>
-                                                <property name="best_size"></property>
-                                                <property name="bg"></property>
-                                                <property name="caption"></property>
+                                                <property name="aui_layer" />
+                                                <property name="aui_name" />
+                                                <property name="aui_position" />
+                                                <property name="aui_row" />
+                                                <property name="best_size" />
+                                                <property name="bg" />
+                                                <property name="caption" />
                                                 <property name="caption_visible">1</property>
                                                 <property name="center_pane">0</property>
                                                 <property name="checked">1</property>
                                                 <property name="close_button">1</property>
-                                                <property name="context_help"></property>
+                                                <property name="context_help" />
                                                 <property name="context_menu">1</property>
                                                 <property name="default_pane">0</property>
                                                 <property name="dock">Dock</property>
                                                 <property name="dock_fixed">0</property>
                                                 <property name="docking">Left</property>
                                                 <property name="enabled">1</property>
-                                                <property name="fg"></property>
+                                                <property name="fg" />
                                                 <property name="floatable">1</property>
-                                                <property name="font"></property>
+                                                <property name="font" />
                                                 <property name="gripper">0</property>
                                                 <property name="hidden">0</property>
                                                 <property name="id">wxID_ANY</property>
                                                 <property name="label">Show D codes</property>
-                                                <property name="max_size"></property>
+                                                <property name="max_size" />
                                                 <property name="maximize_button">0</property>
-                                                <property name="maximum_size"></property>
-                                                <property name="min_size"></property>
+                                                <property name="maximum_size" />
+                                                <property name="min_size" />
                                                 <property name="minimize_button">0</property>
-                                                <property name="minimum_size"></property>
+                                                <property name="minimum_size" />
                                                 <property name="moveable">1</property>
                                                 <property name="name">m_OptDisplayDCodes</property>
                                                 <property name="pane_border">1</property>
-                                                <property name="pane_position"></property>
-                                                <property name="pane_size"></property>
+                                                <property name="pane_position" />
+                                                <property name="pane_size" />
                                                 <property name="permission">protected</property>
                                                 <property name="pin_button">1</property>
-                                                <property name="pos"></property>
+                                                <property name="pos" />
                                                 <property name="resize">Resizable</property>
                                                 <property name="show">1</property>
-                                                <property name="size"></property>
-                                                <property name="style"></property>
-                                                <property name="subclass"></property>
+                                                <property name="size" />
+                                                <property name="style" />
+                                                <property name="subclass" />
                                                 <property name="toolbar_pane">0</property>
-                                                <property name="tooltip"></property>
-                                                <property name="validator_data_type"></property>
+                                                <property name="tooltip" />
+                                                <property name="validator_data_type" />
                                                 <property name="validator_style">wxFILTER_NONE</property>
                                                 <property name="validator_type">wxDefaultValidator</property>
-                                                <property name="validator_variable"></property>
-                                                <property name="window_extra_style"></property>
-                                                <property name="window_name"></property>
-                                                <property name="window_style"></property>
-                                                <event name="OnChar"></event>
-                                                <event name="OnCheckBox"></event>
-                                                <event name="OnEnterWindow"></event>
-                                                <event name="OnEraseBackground"></event>
-                                                <event name="OnKeyDown"></event>
-                                                <event name="OnKeyUp"></event>
-                                                <event name="OnKillFocus"></event>
-                                                <event name="OnLeaveWindow"></event>
-                                                <event name="OnLeftDClick"></event>
-                                                <event name="OnLeftDown"></event>
-                                                <event name="OnLeftUp"></event>
-                                                <event name="OnMiddleDClick"></event>
-                                                <event name="OnMiddleDown"></event>
-                                                <event name="OnMiddleUp"></event>
-                                                <event name="OnMotion"></event>
-                                                <event name="OnMouseEvents"></event>
-                                                <event name="OnMouseWheel"></event>
-                                                <event name="OnPaint"></event>
-                                                <event name="OnRightDClick"></event>
-                                                <event name="OnRightDown"></event>
-                                                <event name="OnRightUp"></event>
-                                                <event name="OnSetFocus"></event>
-                                                <event name="OnSize"></event>
-                                                <event name="OnUpdateUI"></event>
+                                                <property name="validator_variable" />
+                                                <property name="window_extra_style" />
+                                                <property name="window_name" />
+                                                <property name="window_style" />
+                                                <event name="OnChar" />
+                                                <event name="OnCheckBox" />
+                                                <event name="OnEnterWindow" />
+                                                <event name="OnEraseBackground" />
+                                                <event name="OnKeyDown" />
+                                                <event name="OnKeyUp" />
+                                                <event name="OnKillFocus" />
+                                                <event name="OnLeaveWindow" />
+                                                <event name="OnLeftDClick" />
+                                                <event name="OnLeftDown" />
+                                                <event name="OnLeftUp" />
+                                                <event name="OnMiddleDClick" />
+                                                <event name="OnMiddleDown" />
+                                                <event name="OnMiddleUp" />
+                                                <event name="OnMotion" />
+                                                <event name="OnMouseEvents" />
+                                                <event name="OnMouseWheel" />
+                                                <event name="OnPaint" />
+                                                <event name="OnRightDClick" />
+                                                <event name="OnRightDown" />
+                                                <event name="OnRightUp" />
+                                                <event name="OnSetFocus" />
+                                                <event name="OnSize" />
+                                                <event name="OnUpdateUI" />
                                             </object>
                                         </object>
                                     </object>
@@ -222,12 +222,12 @@
                                     <object class="wxStaticBoxSizer" expanded="1">
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">Drawing Mode</property>
-                                        <property name="minimum_size"></property>
+                                        <property name="minimum_size" />
                                         <property name="name">sbSizer2</property>
                                         <property name="orient">wxVERTICAL</property>
                                         <property name="parent">1</property>
                                         <property name="permission">none</property>
-                                        <event name="OnUpdateUI"></event>
+                                        <event name="OnUpdateUI" />
                                         <object class="sizeritem" expanded="1">
                                             <property name="border">5</property>
                                             <property name="flag">wxBOTTOM|wxRIGHT|wxLEFT</property>
@@ -237,83 +237,83 @@
                                                 <property name="LeftDockable">1</property>
                                                 <property name="RightDockable">1</property>
                                                 <property name="TopDockable">1</property>
-                                                <property name="aui_layer"></property>
-                                                <property name="aui_name"></property>
-                                                <property name="aui_position"></property>
-                                                <property name="aui_row"></property>
-                                                <property name="best_size"></property>
-                                                <property name="bg"></property>
-                                                <property name="caption"></property>
+                                                <property name="aui_layer" />
+                                                <property name="aui_name" />
+                                                <property name="aui_position" />
+                                                <property name="aui_row" />
+                                                <property name="best_size" />
+                                                <property name="bg" />
+                                                <property name="caption" />
                                                 <property name="caption_visible">1</property>
                                                 <property name="center_pane">0</property>
                                                 <property name="checked">0</property>
                                                 <property name="close_button">1</property>
-                                                <property name="context_help"></property>
+                                                <property name="context_help" />
                                                 <property name="context_menu">1</property>
                                                 <property name="default_pane">0</property>
                                                 <property name="dock">Dock</property>
                                                 <property name="dock_fixed">0</property>
                                                 <property name="docking">Left</property>
                                                 <property name="enabled">1</property>
-                                                <property name="fg"></property>
+                                                <property name="fg" />
                                                 <property name="floatable">1</property>
-                                                <property name="font"></property>
+                                                <property name="font" />
                                                 <property name="gripper">0</property>
                                                 <property name="hidden">0</property>
                                                 <property name="id">wxID_ANY</property>
                                                 <property name="label">Sketch flashed items</property>
-                                                <property name="max_size"></property>
+                                                <property name="max_size" />
                                                 <property name="maximize_button">0</property>
-                                                <property name="maximum_size"></property>
-                                                <property name="min_size"></property>
+                                                <property name="maximum_size" />
+                                                <property name="min_size" />
                                                 <property name="minimize_button">0</property>
-                                                <property name="minimum_size"></property>
+                                                <property name="minimum_size" />
                                                 <property name="moveable">1</property>
                                                 <property name="name">m_OptDisplayFlashedItems</property>
                                                 <property name="pane_border">1</property>
-                                                <property name="pane_position"></property>
-                                                <property name="pane_size"></property>
+                                                <property name="pane_position" />
+                                                <property name="pane_size" />
                                                 <property name="permission">protected</property>
                                                 <property name="pin_button">1</property>
-                                                <property name="pos"></property>
+                                                <property name="pos" />
                                                 <property name="resize">Resizable</property>
                                                 <property name="show">1</property>
-                                                <property name="size"></property>
-                                                <property name="style"></property>
+                                                <property name="size" />
+                                                <property name="style" />
                                                 <property name="subclass">; forward_declare</property>
                                                 <property name="toolbar_pane">0</property>
-                                                <property name="tooltip"></property>
-                                                <property name="validator_data_type"></property>
+                                                <property name="tooltip" />
+                                                <property name="validator_data_type" />
                                                 <property name="validator_style">wxFILTER_NONE</property>
                                                 <property name="validator_type">wxDefaultValidator</property>
-                                                <property name="validator_variable"></property>
-                                                <property name="window_extra_style"></property>
-                                                <property name="window_name"></property>
-                                                <property name="window_style"></property>
-                                                <event name="OnChar"></event>
-                                                <event name="OnCheckBox"></event>
-                                                <event name="OnEnterWindow"></event>
-                                                <event name="OnEraseBackground"></event>
-                                                <event name="OnKeyDown"></event>
-                                                <event name="OnKeyUp"></event>
-                                                <event name="OnKillFocus"></event>
-                                                <event name="OnLeaveWindow"></event>
-                                                <event name="OnLeftDClick"></event>
-                                                <event name="OnLeftDown"></event>
-                                                <event name="OnLeftUp"></event>
-                                                <event name="OnMiddleDClick"></event>
-                                                <event name="OnMiddleDown"></event>
-                                                <event name="OnMiddleUp"></event>
-                                                <event name="OnMotion"></event>
-                                                <event name="OnMouseEvents"></event>
-                                                <event name="OnMouseWheel"></event>
-                                                <event name="OnPaint"></event>
-                                                <event name="OnRightDClick"></event>
-                                                <event name="OnRightDown"></event>
-                                                <event name="OnRightUp"></event>
-                                                <event name="OnSetFocus"></event>
-                                                <event name="OnSize"></event>
-                                                <event name="OnUpdateUI"></event>
+                                                <property name="validator_variable" />
+                                                <property name="window_extra_style" />
+                                                <property name="window_name" />
+                                                <property name="window_style" />
+                                                <event name="OnChar" />
+                                                <event name="OnCheckBox" />
+                                                <event name="OnEnterWindow" />
+                                                <event name="OnEraseBackground" />
+                                                <event name="OnKeyDown" />
+                                                <event name="OnKeyUp" />
+                                                <event name="OnKillFocus" />
+                                                <event name="OnLeaveWindow" />
+                                                <event name="OnLeftDClick" />
+                                                <event name="OnLeftDown" />
+                                                <event name="OnLeftUp" />
+                                                <event name="OnMiddleDClick" />
+                                                <event name="OnMiddleDown" />
+                                                <event name="OnMiddleUp" />
+                                                <event name="OnMotion" />
+                                                <event name="OnMouseEvents" />
+                                                <event name="OnMouseWheel" />
+                                                <event name="OnPaint" />
+                                                <event name="OnRightDClick" />
+                                                <event name="OnRightDown" />
+                                                <event name="OnRightUp" />
+                                                <event name="OnSetFocus" />
+                                                <event name="OnSize" />
+                                                <event name="OnUpdateUI" />
                                             </object>
                                         </object>
                                         <object class="sizeritem" expanded="1">
@@ -325,83 +325,83 @@
                                                 <property name="LeftDockable">1</property>
                                                 <property name="RightDockable">1</property>
                                                 <property name="TopDockable">1</property>
-                                                <property name="aui_layer"></property>
-                                                <property name="aui_name"></property>
-                                                <property name="aui_position"></property>
-                                                <property name="aui_row"></property>
-                                                <property name="best_size"></property>
-                                                <property name="bg"></property>
-                                                <property name="caption"></property>
+                                                <property name="aui_layer" />
+                                                <property name="aui_name" />
+                                                <property name="aui_position" />
+                                                <property name="aui_row" />
+                                                <property name="best_size" />
+                                                <property name="bg" />
+                                                <property name="caption" />
                                                 <property name="caption_visible">1</property>
                                                 <property name="center_pane">0</property>
                                                 <property name="checked">0</property>
                                                 <property name="close_button">1</property>
-                                                <property name="context_help"></property>
+                                                <property name="context_help" />
                                                 <property name="context_menu">1</property>
                                                 <property name="default_pane">0</property>
                                                 <property name="dock">Dock</property>
                                                 <property name="dock_fixed">0</property>
                                                 <property name="docking">Left</property>
                                                 <property name="enabled">1</property>
-                                                <property name="fg"></property>
+                                                <property name="fg" />
                                                 <property name="floatable">1</property>
-                                                <property name="font"></property>
+                                                <property name="font" />
                                                 <property name="gripper">0</property>
                                                 <property name="hidden">0</property>
                                                 <property name="id">wxID_ANY</property>
                                                 <property name="label">Sketch lines</property>
-                                                <property name="max_size"></property>
+                                                <property name="max_size" />
                                                 <property name="maximize_button">0</property>
-                                                <property name="maximum_size"></property>
-                                                <property name="min_size"></property>
+                                                <property name="maximum_size" />
+                                                <property name="min_size" />
                                                 <property name="minimize_button">0</property>
-                                                <property name="minimum_size"></property>
+                                                <property name="minimum_size" />
                                                 <property name="moveable">1</property>
                                                 <property name="name">m_OptDisplayLines</property>
                                                 <property name="pane_border">1</property>
-                                                <property name="pane_position"></property>
-                                                <property name="pane_size"></property>
+                                                <property name="pane_position" />
+                                                <property name="pane_size" />
                                                 <property name="permission">protected</property>
                                                 <property name="pin_button">1</property>
-                                                <property name="pos"></property>
+                                                <property name="pos" />
                                                 <property name="resize">Resizable</property>
                                                 <property name="show">1</property>
-                                                <property name="size"></property>
-                                                <property name="style"></property>
+                                                <property name="size" />
+                                                <property name="style" />
                                                 <property name="subclass">; forward_declare</property>
                                                 <property name="toolbar_pane">0</property>
-                                                <property name="tooltip"></property>
-                                                <property name="validator_data_type"></property>
+                                                <property name="tooltip" />
+                                                <property name="validator_data_type" />
                                                 <property name="validator_style">wxFILTER_NONE</property>
                                                 <property name="validator_type">wxDefaultValidator</property>
-                                                <property name="validator_variable"></property>
-                                                <property name="window_extra_style"></property>
-                                                <property name="window_name"></property>
-                                                <property name="window_style"></property>
-                                                <event name="OnChar"></event>
-                                                <event name="OnCheckBox"></event>
-                                                <event name="OnEnterWindow"></event>
-                                                <event name="OnEraseBackground"></event>
-                                                <event name="OnKeyDown"></event>
-                                                <event name="OnKeyUp"></event>
-                                                <event name="OnKillFocus"></event>
-                                                <event name="OnLeaveWindow"></event>
-                                                <event name="OnLeftDClick"></event>
-                                                <event name="OnLeftDown"></event>
-                                                <event name="OnLeftUp"></event>
-                                                <event name="OnMiddleDClick"></event>
-                                                <event name="OnMiddleDown"></event>
-                                                <event name="OnMiddleUp"></event>
-                                                <event name="OnMotion"></event>
-                                                <event name="OnMouseEvents"></event>
-                                                <event name="OnMouseWheel"></event>
-                                                <event name="OnPaint"></event>
-                                                <event name="OnRightDClick"></event>
-                                                <event name="OnRightDown"></event>
-                                                <event name="OnRightUp"></event>
-                                                <event name="OnSetFocus"></event>
-                                                <event name="OnSize"></event>
-                                                <event name="OnUpdateUI"></event>
+                                                <property name="validator_variable" />
+                                                <property name="window_extra_style" />
+                                                <property name="window_name" />
+                                                <property name="window_style" />
+                                                <event name="OnChar" />
+                                                <event name="OnCheckBox" />
+                                                <event name="OnEnterWindow" />
+                                                <event name="OnEraseBackground" />
+                                                <event name="OnKeyDown" />
+                                                <event name="OnKeyUp" />
+                                                <event name="OnKillFocus" />
+                                                <event name="OnLeaveWindow" />
+                                                <event name="OnLeftDClick" />
+                                                <event name="OnLeftDown" />
+                                                <event name="OnLeftUp" />
+                                                <event name="OnMiddleDClick" />
+                                                <event name="OnMiddleDown" />
+                                                <event name="OnMiddleUp" />
+                                                <event name="OnMotion" />
+                                                <event name="OnMouseEvents" />
+                                                <event name="OnMouseWheel" />
+                                                <event name="OnPaint" />
+                                                <event name="OnRightDClick" />
+                                                <event name="OnRightDown" />
+                                                <event name="OnRightUp" />
+                                                <event name="OnSetFocus" />
+                                                <event name="OnSize" />
+                                                <event name="OnUpdateUI" />
                                             </object>
                                         </object>
                                         <object class="sizeritem" expanded="1">
@@ -413,83 +413,83 @@
                                                 <property name="LeftDockable">1</property>
                                                 <property name="RightDockable">1</property>
                                                 <property name="TopDockable">1</property>
-                                                <property name="aui_layer"></property>
-                                                <property name="aui_name"></property>
-                                                <property name="aui_position"></property>
-                                                <property name="aui_row"></property>
-                                                <property name="best_size"></property>
-                                                <property name="bg"></property>
-                                                <property name="caption"></property>
+                                                <property name="aui_layer" />
+                                                <property name="aui_name" />
+                                                <property name="aui_position" />
+                                                <property name="aui_row" />
+                                                <property name="best_size" />
+                                                <property name="bg" />
+                                                <property name="caption" />
                                                 <property name="caption_visible">1</property>
                                                 <property name="center_pane">0</property>
                                                 <property name="checked">0</property>
                                                 <property name="close_button">1</property>
-                                                <property name="context_help"></property>
+                                                <property name="context_help" />
                                                 <property name="context_menu">1</property>
                                                 <property name="default_pane">0</property>
                                                 <property name="dock">Dock</property>
                                                 <property name="dock_fixed">0</property>
                                                 <property name="docking">Left</property>
                                                 <property name="enabled">1</property>
-                                                <property name="fg"></property>
+                                                <property name="fg" />
                                                 <property name="floatable">1</property>
-                                                <property name="font"></property>
+                                                <property name="font" />
                                                 <property name="gripper">0</property>
                                                 <property name="hidden">0</property>
                                                 <property name="id">wxID_ANY</property>
                                                 <property name="label">Sketch polygons</property>
-                                                <property name="max_size"></property>
+                                                <property name="max_size" />
                                                 <property name="maximize_button">0</property>
-                                                <property name="maximum_size"></property>
-                                                <property name="min_size"></property>
+                                                <property name="maximum_size" />
+                                                <property name="min_size" />
                                                 <property name="minimize_button">0</property>
-                                                <property name="minimum_size"></property>
+                                                <property name="minimum_size" />
                                                 <property name="moveable">1</property>
                                                 <property name="name">m_OptDisplayPolygons</property>
                                                 <property name="pane_border">1</property>
-                                                <property name="pane_position"></property>
-                                                <property name="pane_size"></property>
+                                                <property name="pane_position" />
+                                                <property name="pane_size" />
                                                 <property name="permission">protected</property>
                                                 <property name="pin_button">1</property>
-                                                <property name="pos"></property>
+                                                <property name="pos" />
                                                 <property name="resize">Resizable</property>
                                                 <property name="show">1</property>
-                                                <property name="size"></property>
-                                                <property name="style"></property>
+                                                <property name="size" />
+                                                <property name="style" />
                                                 <property name="subclass">; forward_declare</property>
                                                 <property name="toolbar_pane">0</property>
-                                                <property name="tooltip"></property>
-                                                <property name="validator_data_type"></property>
+                                                <property name="tooltip" />
+                                                <property name="validator_data_type" />
                                                 <property name="validator_style">wxFILTER_NONE</property>
                                                 <property name="validator_type">wxDefaultValidator</property>
-                                                <property name="validator_variable"></property>
-                                                <property name="window_extra_style"></property>
-                                                <property name="window_name"></property>
-                                                <property name="window_style"></property>
-                                                <event name="OnChar"></event>
-                                                <event name="OnCheckBox"></event>
-                                                <event name="OnEnterWindow"></event>
-                                                <event name="OnEraseBackground"></event>
-                                                <event name="OnKeyDown"></event>
-                                                <event name="OnKeyUp"></event>
-                                                <event name="OnKillFocus"></event>
-                                                <event name="OnLeaveWindow"></event>
-                                                <event name="OnLeftDClick"></event>
-                                                <event name="OnLeftDown"></event>
-                                                <event name="OnLeftUp"></event>
-                                                <event name="OnMiddleDClick"></event>
-                                                <event name="OnMiddleDown"></event>
-                                                <event name="OnMiddleUp"></event>
-                                                <event name="OnMotion"></event>
-                                                <event name="OnMouseEvents"></event>
-                                                <event name="OnMouseWheel"></event>
-                                                <event name="OnPaint"></event>
-                                                <event name="OnRightDClick"></event>
-                                                <event name="OnRightDown"></event>
-                                                <event name="OnRightUp"></event>
-                                                <event name="OnSetFocus"></event>
-                                                <event name="OnSize"></event>
-                                                <event name="OnUpdateUI"></event>
+                                                <property name="validator_variable" />
+                                                <property name="window_extra_style" />
+                                                <property name="window_name" />
+                                                <property name="window_style" />
+                                                <event name="OnChar" />
+                                                <event name="OnCheckBox" />
+                                                <event name="OnEnterWindow" />
+                                                <event name="OnEraseBackground" />
+                                                <event name="OnKeyDown" />
+                                                <event name="OnKeyUp" />
+                                                <event name="OnKillFocus" />
+                                                <event name="OnLeaveWindow" />
+                                                <event name="OnLeftDClick" />
+                                                <event name="OnLeftDown" />
+                                                <event name="OnLeftUp" />
+                                                <event name="OnMiddleDClick" />
+                                                <event name="OnMiddleDown" />
+                                                <event name="OnMiddleUp" />
+                                                <event name="OnMotion" />
+                                                <event name="OnMouseEvents" />
+                                                <event name="OnMouseWheel" />
+                                                <event name="OnPaint" />
+                                                <event name="OnRightDClick" />
+                                                <event name="OnRightDown" />
+                                                <event name="OnRightUp" />
+                                                <event name="OnSetFocus" />
+                                                <event name="OnSize" />
+                                                <event name="OnUpdateUI" />
                                             </object>
                                         </object>
                                     </object>
diff --git a/gerbview/dialogs/panel_gerbview_display_options_base.h b/gerbview/dialogs/panel_gerbview_display_options_base.h
index f50a64698a..0343b5be08 100644
--- a/gerbview/dialogs/panel_gerbview_display_options_base.h
+++ b/gerbview/dialogs/panel_gerbview_display_options_base.h
@@ -1,12 +1,11 @@
 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Dec 30 2017)
+// C++ code generated with wxFormBuilder (version Oct 26 2018)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO *NOT* EDIT THIS FILE!
 ///////////////////////////////////////////////////////////////////////////
 
-#ifndef __PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE_H__
-#define __PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE_H__
+#pragma once
 
 #include <wx/artprov.h>
 #include <wx/xrc/xmlres.h>
@@ -27,10 +26,10 @@
 ///////////////////////////////////////////////////////////////////////////////
 /// Class PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE
 ///////////////////////////////////////////////////////////////////////////////
-class PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE : public wxPanel 
+class PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE : public wxPanel
 {
 	private:
-	
+
 	protected:
 		wxBoxSizer* m_UpperSizer;
 		wxBoxSizer* m_galOptionsSizer;
@@ -38,12 +37,11 @@ class PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE : public wxPanel
 		wxCheckBox* m_OptDisplayFlashedItems;
 		wxCheckBox* m_OptDisplayLines;
 		wxCheckBox* m_OptDisplayPolygons;
-	
+
 	public:
-		
-		PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE( wxWindow* parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( -1,-1 ), long style = wxTAB_TRAVERSAL ); 
+
+		PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE( wxWindow* parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( -1,-1 ), long style = wxTAB_TRAVERSAL, const wxString& name = wxEmptyString );
 		~PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE();
-	
+
 };
 
-#endif //__PANEL_GERBVIEW_DISPLAY_OPTIONS_BASE_H__
diff --git a/gerbview/dialogs/panel_gerbview_excellon_settings.cpp b/gerbview/dialogs/panel_gerbview_excellon_settings.cpp
new file mode 100644
index 0000000000..b5bd3ea887
--- /dev/null
+++ b/gerbview/dialogs/panel_gerbview_excellon_settings.cpp
@@ -0,0 +1,85 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2021 Jean-Pierre Charras  jp.charras at wanadoo.fr
+ * Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.txt for contributors.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <gerbview.h>
+#include <gerbview_frame.h>
+#include <gerbview_settings.h>
+
+#include "panel_gerbview_excellon_settings.h"
+#include <widgets/paged_dialog.h>
+
+
+PANEL_GERBVIEW_EXCELLON_SETTINGS::PANEL_GERBVIEW_EXCELLON_SETTINGS(
+            GERBVIEW_FRAME *aFrame, wxWindow* aWindow ) :
+        PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE( aWindow, wxID_ANY ),
+        m_Parent( aFrame )
+{
+}
+
+
+bool PANEL_GERBVIEW_EXCELLON_SETTINGS::TransferDataToWindow( )
+{
+    GERBVIEW_SETTINGS* config = static_cast<GERBVIEW_SETTINGS*>( m_Parent->config() );
+    EXCELLON_DEFAULTS curr_settings;
+    config->GetExcellonDefaults( curr_settings );
+
+    applySettingsToPanel( curr_settings );
+
+    return true;
+}
+
+
+bool PANEL_GERBVIEW_EXCELLON_SETTINGS::TransferDataFromWindow()
+{
+    GERBVIEW_SETTINGS* config = static_cast<GERBVIEW_SETTINGS*>( m_Parent->config() );
+
+    config->m_ExcellonDefaults.m_UnitsMM = m_rbUnits->GetSelection() != 0;
+    config->m_ExcellonDefaults.m_LeadingZero = m_rbZeroFormat->GetSelection();
+    // The first value of these param is 2, not 0
+    #define FIRST_VALUE 2
+    config->m_ExcellonDefaults.m_MmIntegerLen = m_choiceIntegerMM->GetSelection()+FIRST_VALUE;
+    config->m_ExcellonDefaults.m_MmMantissaLen = m_choiceMantissaMM->GetSelection()+FIRST_VALUE;
+    config->m_ExcellonDefaults.m_InchIntegerLen = m_choiceIntegerInch->GetSelection()+FIRST_VALUE;
+    config->m_ExcellonDefaults.m_InchMantissaLen = m_choiceMantissaInch->GetSelection()+FIRST_VALUE;
+
+    return true;
+}
+
+
+void PANEL_GERBVIEW_EXCELLON_SETTINGS::ResetPanel()
+{
+    EXCELLON_DEFAULTS defaults;
+    applySettingsToPanel( defaults );
+}
+
+
+void PANEL_GERBVIEW_EXCELLON_SETTINGS::applySettingsToPanel( const EXCELLON_DEFAULTS& aSettings )
+{
+    m_rbUnits->SetSelection( aSettings.m_UnitsMM ? 1 : 0 );
+    m_rbZeroFormat->SetSelection( aSettings.m_LeadingZero );
+
+    // The first value of these param is 2, not 0
+    #define FIRST_VALUE 2
+    m_choiceIntegerMM->SetSelection( aSettings.m_MmIntegerLen-FIRST_VALUE );
+    m_choiceMantissaMM->SetSelection( aSettings.m_MmMantissaLen-FIRST_VALUE );
+    m_choiceIntegerInch->SetSelection( aSettings.m_InchIntegerLen-FIRST_VALUE );
+    m_choiceMantissaInch->SetSelection( aSettings.m_InchMantissaLen-FIRST_VALUE );
+}
+
diff --git a/gerbview/dialogs/panel_gerbview_excellon_settings.h b/gerbview/dialogs/panel_gerbview_excellon_settings.h
new file mode 100644
index 0000000000..e2c0956e34
--- /dev/null
+++ b/gerbview/dialogs/panel_gerbview_excellon_settings.h
@@ -0,0 +1,49 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2018-2021 KiCad Developers, see AUTHORS.txt for contributors.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#pragma once
+
+#include "panel_gerbview_excellon_settings_base.h"
+
+
+class GERBVIEW_FRAME;
+class GAL_OPTIONS_PANEL;
+struct EXCELLON_DEFAULTS;
+
+
+class PANEL_GERBVIEW_EXCELLON_SETTINGS : public PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE
+{
+public:
+    PANEL_GERBVIEW_EXCELLON_SETTINGS( GERBVIEW_FRAME* aFrame, wxWindow* aWindow );
+    ~PANEL_GERBVIEW_EXCELLON_SETTINGS() {};
+
+private:
+    bool TransferDataToWindow() override;
+    bool TransferDataFromWindow() override;
+    void ResetPanel() override;
+
+    void applySettingsToPanel( const EXCELLON_DEFAULTS& aSettings );
+
+    GERBVIEW_FRAME*    m_Parent;
+};
+
diff --git a/gerbview/dialogs/panel_gerbview_excellon_settings_base.cpp b/gerbview/dialogs/panel_gerbview_excellon_settings_base.cpp
new file mode 100644
index 0000000000..757c0ab55c
--- /dev/null
+++ b/gerbview/dialogs/panel_gerbview_excellon_settings_base.cpp
@@ -0,0 +1,131 @@
+///////////////////////////////////////////////////////////////////////////
+// C++ code generated with wxFormBuilder (version Oct 26 2018)
+// http://www.wxformbuilder.org/
+//
+// PLEASE DO *NOT* EDIT THIS FILE!
+///////////////////////////////////////////////////////////////////////////
+
+#include "panel_gerbview_excellon_settings_base.h"
+
+///////////////////////////////////////////////////////////////////////////
+
+PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE::PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE( wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name ) : RESETTABLE_PANEL( parent, id, pos, size, style, name )
+{
+	wxBoxSizer* bDialogSizer;
+	bDialogSizer = new wxBoxSizer( wxVERTICAL );
+
+	wxStaticBoxSizer* sbSizerFileFormat;
+	sbSizerFileFormat = new wxStaticBoxSizer( new wxStaticBox( this, wxID_ANY, _("File Format") ), wxVERTICAL );
+
+	m_staticText11 = new wxStaticText( sbSizerFileFormat->GetStaticBox(), wxID_ANY, _("These parameters are usually specified in files, but not always."), wxDefaultPosition, wxDefaultSize, 0 );
+	m_staticText11->Wrap( -1 );
+	sbSizerFileFormat->Add( m_staticText11, 0, wxALL, 5 );
+
+	wxBoxSizer* bSizer8;
+	bSizer8 = new wxBoxSizer( wxHORIZONTAL );
+
+	wxString m_rbUnitsChoices[] = { _("Inches"), _("mm") };
+	int m_rbUnitsNChoices = sizeof( m_rbUnitsChoices ) / sizeof( wxString );
+	m_rbUnits = new wxRadioBox( sbSizerFileFormat->GetStaticBox(), wxID_ANY, _("File units"), wxDefaultPosition, wxDefaultSize, m_rbUnitsNChoices, m_rbUnitsChoices, 1, wxRA_SPECIFY_COLS );
+	m_rbUnits->SetSelection( 0 );
+	bSizer8->Add( m_rbUnits, 1, wxALL, 5 );
+
+	wxString m_rbZeroFormatChoices[] = { _("No leading zeros (TZ format)"), _("No trailing zeros (LZ format)") };
+	int m_rbZeroFormatNChoices = sizeof( m_rbZeroFormatChoices ) / sizeof( wxString );
+	m_rbZeroFormat = new wxRadioBox( sbSizerFileFormat->GetStaticBox(), wxID_ANY, _("Zero format"), wxDefaultPosition, wxDefaultSize, m_rbZeroFormatNChoices, m_rbZeroFormatChoices, 1, wxRA_SPECIFY_COLS );
+	m_rbZeroFormat->SetSelection( 0 );
+	m_rbZeroFormat->SetToolTip( _("Integers in files can have their zeros stripped.\nNo leading zeros format means the leading zeros are stripped\nNo trailing zeros  format means the trainling zeros are stripped") );
+
+	bSizer8->Add( m_rbZeroFormat, 1, wxALL, 5 );
+
+
+	sbSizerFileFormat->Add( bSizer8, 1, wxEXPAND, 5 );
+
+
+	bDialogSizer->Add( sbSizerFileFormat, 1, wxEXPAND, 5 );
+
+	m_staticline1 = new wxStaticLine( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLI_HORIZONTAL );
+	bDialogSizer->Add( m_staticline1, 0, wxEXPAND | wxALL, 5 );
+
+	wxStaticBoxSizer* sbSizerCoordinates;
+	sbSizerCoordinates = new wxStaticBoxSizer( new wxStaticBox( this, wxID_ANY, _("Coordinates Format") ), wxVERTICAL );
+
+	m_staticText6 = new wxStaticText( sbSizerCoordinates->GetStaticBox(), wxID_ANY, _("The coordinates format is not specified in Excellon format."), wxDefaultPosition, wxDefaultSize, 0 );
+	m_staticText6->Wrap( -1 );
+	sbSizerCoordinates->Add( m_staticText6, 0, wxALL, 5 );
+
+	m_staticText10 = new wxStaticText( sbSizerCoordinates->GetStaticBox(), wxID_ANY, _("(The decimal format does not use these settings)"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_staticText10->Wrap( -1 );
+	sbSizerCoordinates->Add( m_staticText10, 0, wxALL, 5 );
+
+	m_staticText7 = new wxStaticText( sbSizerCoordinates->GetStaticBox(), wxID_ANY, _("Usually: 3:3 in mm and 2:4 in inches"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_staticText7->Wrap( -1 );
+	sbSizerCoordinates->Add( m_staticText7, 0, wxALL, 5 );
+
+	wxFlexGridSizer* fgSizerFmt;
+	fgSizerFmt = new wxFlexGridSizer( 0, 4, 0, 0 );
+	fgSizerFmt->SetFlexibleDirection( wxBOTH );
+	fgSizerFmt->SetNonFlexibleGrowMode( wxFLEX_GROWMODE_SPECIFIED );
+
+	m_staticTextUnitsmm = new wxStaticText( sbSizerCoordinates->GetStaticBox(), wxID_ANY, _("Format for mm"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_staticTextUnitsmm->Wrap( -1 );
+	fgSizerFmt->Add( m_staticTextUnitsmm, 0, wxALL|wxALIGN_CENTER_VERTICAL, 5 );
+
+	wxString m_choiceIntegerMMChoices[] = { _("2"), _("3"), _("4"), _("5"), _("6") };
+	int m_choiceIntegerMMNChoices = sizeof( m_choiceIntegerMMChoices ) / sizeof( wxString );
+	m_choiceIntegerMM = new wxChoice( sbSizerCoordinates->GetStaticBox(), wxID_ANY, wxDefaultPosition, wxDefaultSize, m_choiceIntegerMMNChoices, m_choiceIntegerMMChoices, 0 );
+	m_choiceIntegerMM->SetSelection( 1 );
+	fgSizerFmt->Add( m_choiceIntegerMM, 0, wxALL, 5 );
+
+	m_staticText8 = new wxStaticText( sbSizerCoordinates->GetStaticBox(), wxID_ANY, _(":"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_staticText8->Wrap( -1 );
+	fgSizerFmt->Add( m_staticText8, 0, wxALL, 5 );
+
+	wxString m_choiceMantissaMMChoices[] = { _("2"), _("3"), _("4"), _("5"), _("6") };
+	int m_choiceMantissaMMNChoices = sizeof( m_choiceMantissaMMChoices ) / sizeof( wxString );
+	m_choiceMantissaMM = new wxChoice( sbSizerCoordinates->GetStaticBox(), wxID_ANY, wxDefaultPosition, wxDefaultSize, m_choiceMantissaMMNChoices, m_choiceMantissaMMChoices, 0 );
+	m_choiceMantissaMM->SetSelection( 1 );
+	fgSizerFmt->Add( m_choiceMantissaMM, 0, wxALL, 5 );
+
+	m_staticTextUnitsInch = new wxStaticText( sbSizerCoordinates->GetStaticBox(), wxID_ANY, _("Format for inches"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_staticTextUnitsInch->Wrap( -1 );
+	fgSizerFmt->Add( m_staticTextUnitsInch, 0, wxALL|wxALIGN_CENTER_VERTICAL, 5 );
+
+	wxString m_choiceIntegerInchChoices[] = { _("2"), _("3"), _("4"), _("5"), _("6") };
+	int m_choiceIntegerInchNChoices = sizeof( m_choiceIntegerInchChoices ) / sizeof( wxString );
+	m_choiceIntegerInch = new wxChoice( sbSizerCoordinates->GetStaticBox(), wxID_ANY, wxDefaultPosition, wxDefaultSize, m_choiceIntegerInchNChoices, m_choiceIntegerInchChoices, 0 );
+	m_choiceIntegerInch->SetSelection( 0 );
+	fgSizerFmt->Add( m_choiceIntegerInch, 0, wxALL, 5 );
+
+	m_staticText9 = new wxStaticText( sbSizerCoordinates->GetStaticBox(), wxID_ANY, _(":"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_staticText9->Wrap( -1 );
+	fgSizerFmt->Add( m_staticText9, 0, wxALL, 5 );
+
+	wxString m_choiceMantissaInchChoices[] = { _("2"), _("3"), _("4"), _("5"), _("6") };
+	int m_choiceMantissaInchNChoices = sizeof( m_choiceMantissaInchChoices ) / sizeof( wxString );
+	m_choiceMantissaInch = new wxChoice( sbSizerCoordinates->GetStaticBox(), wxID_ANY, wxDefaultPosition, wxDefaultSize, m_choiceMantissaInchNChoices, m_choiceMantissaInchChoices, 0 );
+	m_choiceMantissaInch->SetSelection( 2 );
+	fgSizerFmt->Add( m_choiceMantissaInch, 0, wxALL, 5 );
+
+
+	sbSizerCoordinates->Add( fgSizerFmt, 1, wxEXPAND, 5 );
+
+
+	bDialogSizer->Add( sbSizerCoordinates, 1, wxEXPAND, 5 );
+
+
+	this->SetSizer( bDialogSizer );
+	this->Layout();
+
+	// Connect Events
+	m_choiceIntegerMM->Connect( wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler( PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE::onUnitsChange ), NULL, this );
+	m_choiceIntegerInch->Connect( wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler( PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE::onUnitsChange ), NULL, this );
+}
+
+PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE::~PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE()
+{
+	// Disconnect Events
+	m_choiceIntegerMM->Disconnect( wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler( PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE::onUnitsChange ), NULL, this );
+	m_choiceIntegerInch->Disconnect( wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler( PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE::onUnitsChange ), NULL, this );
+
+}
diff --git a/gerbview/dialogs/panel_gerbview_excellon_settings_base.fbp b/gerbview/dialogs/panel_gerbview_excellon_settings_base.fbp
new file mode 100644
index 0000000000..9a222f2e0b
--- /dev/null
+++ b/gerbview/dialogs/panel_gerbview_excellon_settings_base.fbp
@@ -0,0 +1,1053 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<wxFormBuilder_Project>
+    <FileVersion major="1" minor="15" />
+    <object class="Project" expanded="1">
+        <property name="class_decoration"></property>
+        <property name="code_generation">C++</property>
+        <property name="disconnect_events">1</property>
+        <property name="disconnect_mode">source_name</property>
+        <property name="disconnect_php_events">0</property>
+        <property name="disconnect_python_events">0</property>
+        <property name="embedded_files_path">res</property>
+        <property name="encoding">UTF-8</property>
+        <property name="event_generation">connect</property>
+        <property name="file">panel_gerbview_excellon_settings_base</property>
+        <property name="first_id">1000</property>
+        <property name="help_provider">none</property>
+        <property name="indent_with_spaces"></property>
+        <property name="internationalize">1</property>
+        <property name="name">PanelGerbviewExcellonSettings</property>
+        <property name="namespace"></property>
+        <property name="path">.</property>
+        <property name="precompiled_header"></property>
+        <property name="relative_path">1</property>
+        <property name="skip_lua_events">1</property>
+        <property name="skip_php_events">1</property>
+        <property name="skip_python_events">1</property>
+        <property name="ui_table">UI</property>
+        <property name="use_enum">0</property>
+        <property name="use_microsoft_bom">0</property>
+        <object class="Panel" expanded="1">
+            <property name="aui_managed">0</property>
+            <property name="aui_manager_style">wxAUI_MGR_DEFAULT</property>
+            <property name="bg"></property>
+            <property name="context_help"></property>
+            <property name="context_menu">1</property>
+            <property name="enabled">1</property>
+            <property name="event_handler">impl_virtual</property>
+            <property name="fg"></property>
+            <property name="font"></property>
+            <property name="hidden">0</property>
+            <property name="id">wxID_ANY</property>
+            <property name="maximum_size"></property>
+            <property name="minimum_size"></property>
+            <property name="name">PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE</property>
+            <property name="pos"></property>
+            <property name="size">440,336</property>
+            <property name="subclass">RESETTABLE_PANEL; widgets/resettable_panel.h; Not forward_declare</property>
+            <property name="tooltip"></property>
+            <property name="window_extra_style"></property>
+            <property name="window_name"></property>
+            <property name="window_style">wxTAB_TRAVERSAL</property>
+            <object class="wxBoxSizer" expanded="1">
+                <property name="minimum_size"></property>
+                <property name="name">bDialogSizer</property>
+                <property name="orient">wxVERTICAL</property>
+                <property name="permission">none</property>
+                <object class="sizeritem" expanded="1">
+                    <property name="border">5</property>
+                    <property name="flag">wxEXPAND</property>
+                    <property name="proportion">1</property>
+                    <object class="wxStaticBoxSizer" expanded="1">
+                        <property name="id">wxID_ANY</property>
+                        <property name="label">File Format</property>
+                        <property name="minimum_size"></property>
+                        <property name="name">sbSizerFileFormat</property>
+                        <property name="orient">wxVERTICAL</property>
+                        <property name="parent">1</property>
+                        <property name="permission">none</property>
+                        <object class="sizeritem" expanded="1">
+                            <property name="border">5</property>
+                            <property name="flag">wxALL</property>
+                            <property name="proportion">0</property>
+                            <object class="wxStaticText" expanded="1">
+                                <property name="BottomDockable">1</property>
+                                <property name="LeftDockable">1</property>
+                                <property name="RightDockable">1</property>
+                                <property name="TopDockable">1</property>
+                                <property name="aui_layer"></property>
+                                <property name="aui_name"></property>
+                                <property name="aui_position"></property>
+                                <property name="aui_row"></property>
+                                <property name="best_size"></property>
+                                <property name="bg"></property>
+                                <property name="caption"></property>
+                                <property name="caption_visible">1</property>
+                                <property name="center_pane">0</property>
+                                <property name="close_button">1</property>
+                                <property name="context_help"></property>
+                                <property name="context_menu">1</property>
+                                <property name="default_pane">0</property>
+                                <property name="dock">Dock</property>
+                                <property name="dock_fixed">0</property>
+                                <property name="docking">Left</property>
+                                <property name="enabled">1</property>
+                                <property name="fg"></property>
+                                <property name="floatable">1</property>
+                                <property name="font"></property>
+                                <property name="gripper">0</property>
+                                <property name="hidden">0</property>
+                                <property name="id">wxID_ANY</property>
+                                <property name="label">These parameters are usually specified in files, but not always.</property>
+                                <property name="markup">0</property>
+                                <property name="max_size"></property>
+                                <property name="maximize_button">0</property>
+                                <property name="maximum_size"></property>
+                                <property name="min_size"></property>
+                                <property name="minimize_button">0</property>
+                                <property name="minimum_size"></property>
+                                <property name="moveable">1</property>
+                                <property name="name">m_staticText11</property>
+                                <property name="pane_border">1</property>
+                                <property name="pane_position"></property>
+                                <property name="pane_size"></property>
+                                <property name="permission">protected</property>
+                                <property name="pin_button">1</property>
+                                <property name="pos"></property>
+                                <property name="resize">Resizable</property>
+                                <property name="show">1</property>
+                                <property name="size"></property>
+                                <property name="style"></property>
+                                <property name="subclass">; ; forward_declare</property>
+                                <property name="toolbar_pane">0</property>
+                                <property name="tooltip"></property>
+                                <property name="window_extra_style"></property>
+                                <property name="window_name"></property>
+                                <property name="window_style"></property>
+                                <property name="wrap">-1</property>
+                            </object>
+                        </object>
+                        <object class="sizeritem" expanded="1">
+                            <property name="border">5</property>
+                            <property name="flag">wxEXPAND</property>
+                            <property name="proportion">1</property>
+                            <object class="wxBoxSizer" expanded="1">
+                                <property name="minimum_size"></property>
+                                <property name="name">bSizer8</property>
+                                <property name="orient">wxHORIZONTAL</property>
+                                <property name="permission">none</property>
+                                <object class="sizeritem" expanded="1">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALL</property>
+                                    <property name="proportion">1</property>
+                                    <object class="wxRadioBox" expanded="1">
+                                        <property name="BottomDockable">1</property>
+                                        <property name="LeftDockable">1</property>
+                                        <property name="RightDockable">1</property>
+                                        <property name="TopDockable">1</property>
+                                        <property name="aui_layer"></property>
+                                        <property name="aui_name"></property>
+                                        <property name="aui_position"></property>
+                                        <property name="aui_row"></property>
+                                        <property name="best_size"></property>
+                                        <property name="bg"></property>
+                                        <property name="caption"></property>
+                                        <property name="caption_visible">1</property>
+                                        <property name="center_pane">0</property>
+                                        <property name="choices">&quot;Inches&quot; &quot;mm&quot;</property>
+                                        <property name="close_button">1</property>
+                                        <property name="context_help"></property>
+                                        <property name="context_menu">1</property>
+                                        <property name="default_pane">0</property>
+                                        <property name="dock">Dock</property>
+                                        <property name="dock_fixed">0</property>
+                                        <property name="docking">Left</property>
+                                        <property name="enabled">1</property>
+                                        <property name="fg"></property>
+                                        <property name="floatable">1</property>
+                                        <property name="font"></property>
+                                        <property name="gripper">0</property>
+                                        <property name="hidden">0</property>
+                                        <property name="id">wxID_ANY</property>
+                                        <property name="label">File units</property>
+                                        <property name="majorDimension">1</property>
+                                        <property name="max_size"></property>
+                                        <property name="maximize_button">0</property>
+                                        <property name="maximum_size"></property>
+                                        <property name="min_size"></property>
+                                        <property name="minimize_button">0</property>
+                                        <property name="minimum_size"></property>
+                                        <property name="moveable">1</property>
+                                        <property name="name">m_rbUnits</property>
+                                        <property name="pane_border">1</property>
+                                        <property name="pane_position"></property>
+                                        <property name="pane_size"></property>
+                                        <property name="permission">protected</property>
+                                        <property name="pin_button">1</property>
+                                        <property name="pos"></property>
+                                        <property name="resize">Resizable</property>
+                                        <property name="selection">0</property>
+                                        <property name="show">1</property>
+                                        <property name="size"></property>
+                                        <property name="style">wxRA_SPECIFY_COLS</property>
+                                        <property name="subclass">; ; forward_declare</property>
+                                        <property name="toolbar_pane">0</property>
+                                        <property name="tooltip"></property>
+                                        <property name="validator_data_type"></property>
+                                        <property name="validator_style">wxFILTER_NONE</property>
+                                        <property name="validator_type">wxDefaultValidator</property>
+                                        <property name="validator_variable"></property>
+                                        <property name="window_extra_style"></property>
+                                        <property name="window_name"></property>
+                                        <property name="window_style"></property>
+                                    </object>
+                                </object>
+                                <object class="sizeritem" expanded="1">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALL</property>
+                                    <property name="proportion">1</property>
+                                    <object class="wxRadioBox" expanded="1">
+                                        <property name="BottomDockable">1</property>
+                                        <property name="LeftDockable">1</property>
+                                        <property name="RightDockable">1</property>
+                                        <property name="TopDockable">1</property>
+                                        <property name="aui_layer"></property>
+                                        <property name="aui_name"></property>
+                                        <property name="aui_position"></property>
+                                        <property name="aui_row"></property>
+                                        <property name="best_size"></property>
+                                        <property name="bg"></property>
+                                        <property name="caption"></property>
+                                        <property name="caption_visible">1</property>
+                                        <property name="center_pane">0</property>
+                                        <property name="choices">&quot;No leading zeros (TZ format)&quot; &quot;No trailing zeros (LZ format)&quot;</property>
+                                        <property name="close_button">1</property>
+                                        <property name="context_help"></property>
+                                        <property name="context_menu">1</property>
+                                        <property name="default_pane">0</property>
+                                        <property name="dock">Dock</property>
+                                        <property name="dock_fixed">0</property>
+                                        <property name="docking">Left</property>
+                                        <property name="enabled">1</property>
+                                        <property name="fg"></property>
+                                        <property name="floatable">1</property>
+                                        <property name="font"></property>
+                                        <property name="gripper">0</property>
+                                        <property name="hidden">0</property>
+                                        <property name="id">wxID_ANY</property>
+                                        <property name="label">Zero format</property>
+                                        <property name="majorDimension">1</property>
+                                        <property name="max_size"></property>
+                                        <property name="maximize_button">0</property>
+                                        <property name="maximum_size"></property>
+                                        <property name="min_size"></property>
+                                        <property name="minimize_button">0</property>
+                                        <property name="minimum_size"></property>
+                                        <property name="moveable">1</property>
+                                        <property name="name">m_rbZeroFormat</property>
+                                        <property name="pane_border">1</property>
+                                        <property name="pane_position"></property>
+                                        <property name="pane_size"></property>
+                                        <property name="permission">protected</property>
+                                        <property name="pin_button">1</property>
+                                        <property name="pos"></property>
+                                        <property name="resize">Resizable</property>
+                                        <property name="selection">0</property>
+                                        <property name="show">1</property>
+                                        <property name="size"></property>
+                                        <property name="style">wxRA_SPECIFY_COLS</property>
+                                        <property name="subclass">; ; forward_declare</property>
+                                        <property name="toolbar_pane">0</property>
+                                        <property name="tooltip">Integers in files can have their zeros stripped.&#x0A;No leading zeros format means the leading zeros are stripped&#x0A;No trailing zeros  format means the trainling zeros are stripped</property>
+                                        <property name="validator_data_type"></property>
+                                        <property name="validator_style">wxFILTER_NONE</property>
+                                        <property name="validator_type">wxDefaultValidator</property>
+                                        <property name="validator_variable"></property>
+                                        <property name="window_extra_style"></property>
+                                        <property name="window_name"></property>
+                                        <property name="window_style"></property>
+                                    </object>
+                                </object>
+                            </object>
+                        </object>
+                    </object>
+                </object>
+                <object class="sizeritem" expanded="1">
+                    <property name="border">5</property>
+                    <property name="flag">wxEXPAND | wxALL</property>
+                    <property name="proportion">0</property>
+                    <object class="wxStaticLine" expanded="1">
+                        <property name="BottomDockable">1</property>
+                        <property name="LeftDockable">1</property>
+                        <property name="RightDockable">1</property>
+                        <property name="TopDockable">1</property>
+                        <property name="aui_layer"></property>
+                        <property name="aui_name"></property>
+                        <property name="aui_position"></property>
+                        <property name="aui_row"></property>
+                        <property name="best_size"></property>
+                        <property name="bg"></property>
+                        <property name="caption"></property>
+                        <property name="caption_visible">1</property>
+                        <property name="center_pane">0</property>
+                        <property name="close_button">1</property>
+                        <property name="context_help"></property>
+                        <property name="context_menu">1</property>
+                        <property name="default_pane">0</property>
+                        <property name="dock">Dock</property>
+                        <property name="dock_fixed">0</property>
+                        <property name="docking">Left</property>
+                        <property name="enabled">1</property>
+                        <property name="fg"></property>
+                        <property name="floatable">1</property>
+                        <property name="font"></property>
+                        <property name="gripper">0</property>
+                        <property name="hidden">0</property>
+                        <property name="id">wxID_ANY</property>
+                        <property name="max_size"></property>
+                        <property name="maximize_button">0</property>
+                        <property name="maximum_size"></property>
+                        <property name="min_size"></property>
+                        <property name="minimize_button">0</property>
+                        <property name="minimum_size"></property>
+                        <property name="moveable">1</property>
+                        <property name="name">m_staticline1</property>
+                        <property name="pane_border">1</property>
+                        <property name="pane_position"></property>
+                        <property name="pane_size"></property>
+                        <property name="permission">protected</property>
+                        <property name="pin_button">1</property>
+                        <property name="pos"></property>
+                        <property name="resize">Resizable</property>
+                        <property name="show">1</property>
+                        <property name="size"></property>
+                        <property name="style">wxLI_HORIZONTAL</property>
+                        <property name="subclass">; ; forward_declare</property>
+                        <property name="toolbar_pane">0</property>
+                        <property name="tooltip"></property>
+                        <property name="window_extra_style"></property>
+                        <property name="window_name"></property>
+                        <property name="window_style"></property>
+                    </object>
+                </object>
+                <object class="sizeritem" expanded="1">
+                    <property name="border">5</property>
+                    <property name="flag">wxEXPAND</property>
+                    <property name="proportion">1</property>
+                    <object class="wxStaticBoxSizer" expanded="1">
+                        <property name="id">wxID_ANY</property>
+                        <property name="label">Coordinates Format</property>
+                        <property name="minimum_size"></property>
+                        <property name="name">sbSizerCoordinates</property>
+                        <property name="orient">wxVERTICAL</property>
+                        <property name="parent">1</property>
+                        <property name="permission">none</property>
+                        <object class="sizeritem" expanded="1">
+                            <property name="border">5</property>
+                            <property name="flag">wxALL</property>
+                            <property name="proportion">0</property>
+                            <object class="wxStaticText" expanded="1">
+                                <property name="BottomDockable">1</property>
+                                <property name="LeftDockable">1</property>
+                                <property name="RightDockable">1</property>
+                                <property name="TopDockable">1</property>
+                                <property name="aui_layer"></property>
+                                <property name="aui_name"></property>
+                                <property name="aui_position"></property>
+                                <property name="aui_row"></property>
+                                <property name="best_size"></property>
+                                <property name="bg"></property>
+                                <property name="caption"></property>
+                                <property name="caption_visible">1</property>
+                                <property name="center_pane">0</property>
+                                <property name="close_button">1</property>
+                                <property name="context_help"></property>
+                                <property name="context_menu">1</property>
+                                <property name="default_pane">0</property>
+                                <property name="dock">Dock</property>
+                                <property name="dock_fixed">0</property>
+                                <property name="docking">Left</property>
+                                <property name="enabled">1</property>
+                                <property name="fg"></property>
+                                <property name="floatable">1</property>
+                                <property name="font"></property>
+                                <property name="gripper">0</property>
+                                <property name="hidden">0</property>
+                                <property name="id">wxID_ANY</property>
+                                <property name="label">The coordinates format is not specified in Excellon format.</property>
+                                <property name="markup">0</property>
+                                <property name="max_size"></property>
+                                <property name="maximize_button">0</property>
+                                <property name="maximum_size"></property>
+                                <property name="min_size"></property>
+                                <property name="minimize_button">0</property>
+                                <property name="minimum_size"></property>
+                                <property name="moveable">1</property>
+                                <property name="name">m_staticText6</property>
+                                <property name="pane_border">1</property>
+                                <property name="pane_position"></property>
+                                <property name="pane_size"></property>
+                                <property name="permission">protected</property>
+                                <property name="pin_button">1</property>
+                                <property name="pos"></property>
+                                <property name="resize">Resizable</property>
+                                <property name="show">1</property>
+                                <property name="size"></property>
+                                <property name="style"></property>
+                                <property name="subclass">; ; forward_declare</property>
+                                <property name="toolbar_pane">0</property>
+                                <property name="tooltip"></property>
+                                <property name="window_extra_style"></property>
+                                <property name="window_name"></property>
+                                <property name="window_style"></property>
+                                <property name="wrap">-1</property>
+                            </object>
+                        </object>
+                        <object class="sizeritem" expanded="1">
+                            <property name="border">5</property>
+                            <property name="flag">wxALL</property>
+                            <property name="proportion">0</property>
+                            <object class="wxStaticText" expanded="1">
+                                <property name="BottomDockable">1</property>
+                                <property name="LeftDockable">1</property>
+                                <property name="RightDockable">1</property>
+                                <property name="TopDockable">1</property>
+                                <property name="aui_layer"></property>
+                                <property name="aui_name"></property>
+                                <property name="aui_position"></property>
+                                <property name="aui_row"></property>
+                                <property name="best_size"></property>
+                                <property name="bg"></property>
+                                <property name="caption"></property>
+                                <property name="caption_visible">1</property>
+                                <property name="center_pane">0</property>
+                                <property name="close_button">1</property>
+                                <property name="context_help"></property>
+                                <property name="context_menu">1</property>
+                                <property name="default_pane">0</property>
+                                <property name="dock">Dock</property>
+                                <property name="dock_fixed">0</property>
+                                <property name="docking">Left</property>
+                                <property name="enabled">1</property>
+                                <property name="fg"></property>
+                                <property name="floatable">1</property>
+                                <property name="font"></property>
+                                <property name="gripper">0</property>
+                                <property name="hidden">0</property>
+                                <property name="id">wxID_ANY</property>
+                                <property name="label">(The decimal format does not use these settings)</property>
+                                <property name="markup">0</property>
+                                <property name="max_size"></property>
+                                <property name="maximize_button">0</property>
+                                <property name="maximum_size"></property>
+                                <property name="min_size"></property>
+                                <property name="minimize_button">0</property>
+                                <property name="minimum_size"></property>
+                                <property name="moveable">1</property>
+                                <property name="name">m_staticText10</property>
+                                <property name="pane_border">1</property>
+                                <property name="pane_position"></property>
+                                <property name="pane_size"></property>
+                                <property name="permission">protected</property>
+                                <property name="pin_button">1</property>
+                                <property name="pos"></property>
+                                <property name="resize">Resizable</property>
+                                <property name="show">1</property>
+                                <property name="size"></property>
+                                <property name="style"></property>
+                                <property name="subclass">; ; forward_declare</property>
+                                <property name="toolbar_pane">0</property>
+                                <property name="tooltip"></property>
+                                <property name="window_extra_style"></property>
+                                <property name="window_name"></property>
+                                <property name="window_style"></property>
+                                <property name="wrap">-1</property>
+                            </object>
+                        </object>
+                        <object class="sizeritem" expanded="1">
+                            <property name="border">5</property>
+                            <property name="flag">wxALL</property>
+                            <property name="proportion">0</property>
+                            <object class="wxStaticText" expanded="1">
+                                <property name="BottomDockable">1</property>
+                                <property name="LeftDockable">1</property>
+                                <property name="RightDockable">1</property>
+                                <property name="TopDockable">1</property>
+                                <property name="aui_layer"></property>
+                                <property name="aui_name"></property>
+                                <property name="aui_position"></property>
+                                <property name="aui_row"></property>
+                                <property name="best_size"></property>
+                                <property name="bg"></property>
+                                <property name="caption"></property>
+                                <property name="caption_visible">1</property>
+                                <property name="center_pane">0</property>
+                                <property name="close_button">1</property>
+                                <property name="context_help"></property>
+                                <property name="context_menu">1</property>
+                                <property name="default_pane">0</property>
+                                <property name="dock">Dock</property>
+                                <property name="dock_fixed">0</property>
+                                <property name="docking">Left</property>
+                                <property name="enabled">1</property>
+                                <property name="fg"></property>
+                                <property name="floatable">1</property>
+                                <property name="font"></property>
+                                <property name="gripper">0</property>
+                                <property name="hidden">0</property>
+                                <property name="id">wxID_ANY</property>
+                                <property name="label">Usually: 3:3 in mm and 2:4 in inches</property>
+                                <property name="markup">0</property>
+                                <property name="max_size"></property>
+                                <property name="maximize_button">0</property>
+                                <property name="maximum_size"></property>
+                                <property name="min_size"></property>
+                                <property name="minimize_button">0</property>
+                                <property name="minimum_size"></property>
+                                <property name="moveable">1</property>
+                                <property name="name">m_staticText7</property>
+                                <property name="pane_border">1</property>
+                                <property name="pane_position"></property>
+                                <property name="pane_size"></property>
+                                <property name="permission">protected</property>
+                                <property name="pin_button">1</property>
+                                <property name="pos"></property>
+                                <property name="resize">Resizable</property>
+                                <property name="show">1</property>
+                                <property name="size"></property>
+                                <property name="style"></property>
+                                <property name="subclass">; ; forward_declare</property>
+                                <property name="toolbar_pane">0</property>
+                                <property name="tooltip"></property>
+                                <property name="window_extra_style"></property>
+                                <property name="window_name"></property>
+                                <property name="window_style"></property>
+                                <property name="wrap">-1</property>
+                            </object>
+                        </object>
+                        <object class="sizeritem" expanded="1">
+                            <property name="border">5</property>
+                            <property name="flag">wxEXPAND</property>
+                            <property name="proportion">1</property>
+                            <object class="wxFlexGridSizer" expanded="1">
+                                <property name="cols">4</property>
+                                <property name="flexible_direction">wxBOTH</property>
+                                <property name="growablecols"></property>
+                                <property name="growablerows"></property>
+                                <property name="hgap">0</property>
+                                <property name="minimum_size"></property>
+                                <property name="name">fgSizerFmt</property>
+                                <property name="non_flexible_grow_mode">wxFLEX_GROWMODE_SPECIFIED</property>
+                                <property name="permission">none</property>
+                                <property name="rows">0</property>
+                                <property name="vgap">0</property>
+                                <object class="sizeritem" expanded="1">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALL|wxALIGN_CENTER_VERTICAL</property>
+                                    <property name="proportion">0</property>
+                                    <object class="wxStaticText" expanded="1">
+                                        <property name="BottomDockable">1</property>
+                                        <property name="LeftDockable">1</property>
+                                        <property name="RightDockable">1</property>
+                                        <property name="TopDockable">1</property>
+                                        <property name="aui_layer"></property>
+                                        <property name="aui_name"></property>
+                                        <property name="aui_position"></property>
+                                        <property name="aui_row"></property>
+                                        <property name="best_size"></property>
+                                        <property name="bg"></property>
+                                        <property name="caption"></property>
+                                        <property name="caption_visible">1</property>
+                                        <property name="center_pane">0</property>
+                                        <property name="close_button">1</property>
+                                        <property name="context_help"></property>
+                                        <property name="context_menu">1</property>
+                                        <property name="default_pane">0</property>
+                                        <property name="dock">Dock</property>
+                                        <property name="dock_fixed">0</property>
+                                        <property name="docking">Left</property>
+                                        <property name="enabled">1</property>
+                                        <property name="fg"></property>
+                                        <property name="floatable">1</property>
+                                        <property name="font"></property>
+                                        <property name="gripper">0</property>
+                                        <property name="hidden">0</property>
+                                        <property name="id">wxID_ANY</property>
+                                        <property name="label">Format for mm</property>
+                                        <property name="markup">0</property>
+                                        <property name="max_size"></property>
+                                        <property name="maximize_button">0</property>
+                                        <property name="maximum_size"></property>
+                                        <property name="min_size"></property>
+                                        <property name="minimize_button">0</property>
+                                        <property name="minimum_size"></property>
+                                        <property name="moveable">1</property>
+                                        <property name="name">m_staticTextUnitsmm</property>
+                                        <property name="pane_border">1</property>
+                                        <property name="pane_position"></property>
+                                        <property name="pane_size"></property>
+                                        <property name="permission">protected</property>
+                                        <property name="pin_button">1</property>
+                                        <property name="pos"></property>
+                                        <property name="resize">Resizable</property>
+                                        <property name="show">1</property>
+                                        <property name="size"></property>
+                                        <property name="style"></property>
+                                        <property name="subclass">; ; forward_declare</property>
+                                        <property name="toolbar_pane">0</property>
+                                        <property name="tooltip"></property>
+                                        <property name="window_extra_style"></property>
+                                        <property name="window_name"></property>
+                                        <property name="window_style"></property>
+                                        <property name="wrap">-1</property>
+                                    </object>
+                                </object>
+                                <object class="sizeritem" expanded="1">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALL</property>
+                                    <property name="proportion">0</property>
+                                    <object class="wxChoice" expanded="1">
+                                        <property name="BottomDockable">1</property>
+                                        <property name="LeftDockable">1</property>
+                                        <property name="RightDockable">1</property>
+                                        <property name="TopDockable">1</property>
+                                        <property name="aui_layer"></property>
+                                        <property name="aui_name"></property>
+                                        <property name="aui_position"></property>
+                                        <property name="aui_row"></property>
+                                        <property name="best_size"></property>
+                                        <property name="bg"></property>
+                                        <property name="caption"></property>
+                                        <property name="caption_visible">1</property>
+                                        <property name="center_pane">0</property>
+                                        <property name="choices">&quot;2&quot; &quot;3&quot; &quot;4&quot; &quot;5&quot; &quot;6&quot;</property>
+                                        <property name="close_button">1</property>
+                                        <property name="context_help"></property>
+                                        <property name="context_menu">1</property>
+                                        <property name="default_pane">0</property>
+                                        <property name="dock">Dock</property>
+                                        <property name="dock_fixed">0</property>
+                                        <property name="docking">Left</property>
+                                        <property name="enabled">1</property>
+                                        <property name="fg"></property>
+                                        <property name="floatable">1</property>
+                                        <property name="font"></property>
+                                        <property name="gripper">0</property>
+                                        <property name="hidden">0</property>
+                                        <property name="id">wxID_ANY</property>
+                                        <property name="max_size"></property>
+                                        <property name="maximize_button">0</property>
+                                        <property name="maximum_size"></property>
+                                        <property name="min_size"></property>
+                                        <property name="minimize_button">0</property>
+                                        <property name="minimum_size"></property>
+                                        <property name="moveable">1</property>
+                                        <property name="name">m_choiceIntegerMM</property>
+                                        <property name="pane_border">1</property>
+                                        <property name="pane_position"></property>
+                                        <property name="pane_size"></property>
+                                        <property name="permission">protected</property>
+                                        <property name="pin_button">1</property>
+                                        <property name="pos"></property>
+                                        <property name="resize">Resizable</property>
+                                        <property name="selection">1</property>
+                                        <property name="show">1</property>
+                                        <property name="size"></property>
+                                        <property name="style"></property>
+                                        <property name="subclass">; ; forward_declare</property>
+                                        <property name="toolbar_pane">0</property>
+                                        <property name="tooltip"></property>
+                                        <property name="validator_data_type"></property>
+                                        <property name="validator_style">wxFILTER_NONE</property>
+                                        <property name="validator_type">wxDefaultValidator</property>
+                                        <property name="validator_variable"></property>
+                                        <property name="window_extra_style"></property>
+                                        <property name="window_name"></property>
+                                        <property name="window_style"></property>
+                                        <event name="OnChoice">onUnitsChange</event>
+                                    </object>
+                                </object>
+                                <object class="sizeritem" expanded="1">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALL</property>
+                                    <property name="proportion">0</property>
+                                    <object class="wxStaticText" expanded="1">
+                                        <property name="BottomDockable">1</property>
+                                        <property name="LeftDockable">1</property>
+                                        <property name="RightDockable">1</property>
+                                        <property name="TopDockable">1</property>
+                                        <property name="aui_layer"></property>
+                                        <property name="aui_name"></property>
+                                        <property name="aui_position"></property>
+                                        <property name="aui_row"></property>
+                                        <property name="best_size"></property>
+                                        <property name="bg"></property>
+                                        <property name="caption"></property>
+                                        <property name="caption_visible">1</property>
+                                        <property name="center_pane">0</property>
+                                        <property name="close_button">1</property>
+                                        <property name="context_help"></property>
+                                        <property name="context_menu">1</property>
+                                        <property name="default_pane">0</property>
+                                        <property name="dock">Dock</property>
+                                        <property name="dock_fixed">0</property>
+                                        <property name="docking">Left</property>
+                                        <property name="enabled">1</property>
+                                        <property name="fg"></property>
+                                        <property name="floatable">1</property>
+                                        <property name="font"></property>
+                                        <property name="gripper">0</property>
+                                        <property name="hidden">0</property>
+                                        <property name="id">wxID_ANY</property>
+                                        <property name="label">:</property>
+                                        <property name="markup">0</property>
+                                        <property name="max_size"></property>
+                                        <property name="maximize_button">0</property>
+                                        <property name="maximum_size"></property>
+                                        <property name="min_size"></property>
+                                        <property name="minimize_button">0</property>
+                                        <property name="minimum_size"></property>
+                                        <property name="moveable">1</property>
+                                        <property name="name">m_staticText8</property>
+                                        <property name="pane_border">1</property>
+                                        <property name="pane_position"></property>
+                                        <property name="pane_size"></property>
+                                        <property name="permission">protected</property>
+                                        <property name="pin_button">1</property>
+                                        <property name="pos"></property>
+                                        <property name="resize">Resizable</property>
+                                        <property name="show">1</property>
+                                        <property name="size"></property>
+                                        <property name="style"></property>
+                                        <property name="subclass">; ; forward_declare</property>
+                                        <property name="toolbar_pane">0</property>
+                                        <property name="tooltip"></property>
+                                        <property name="window_extra_style"></property>
+                                        <property name="window_name"></property>
+                                        <property name="window_style"></property>
+                                        <property name="wrap">-1</property>
+                                    </object>
+                                </object>
+                                <object class="sizeritem" expanded="1">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALL</property>
+                                    <property name="proportion">0</property>
+                                    <object class="wxChoice" expanded="1">
+                                        <property name="BottomDockable">1</property>
+                                        <property name="LeftDockable">1</property>
+                                        <property name="RightDockable">1</property>
+                                        <property name="TopDockable">1</property>
+                                        <property name="aui_layer"></property>
+                                        <property name="aui_name"></property>
+                                        <property name="aui_position"></property>
+                                        <property name="aui_row"></property>
+                                        <property name="best_size"></property>
+                                        <property name="bg"></property>
+                                        <property name="caption"></property>
+                                        <property name="caption_visible">1</property>
+                                        <property name="center_pane">0</property>
+                                        <property name="choices">&quot;2&quot; &quot;3&quot; &quot;4&quot; &quot;5&quot; &quot;6&quot;</property>
+                                        <property name="close_button">1</property>
+                                        <property name="context_help"></property>
+                                        <property name="context_menu">1</property>
+                                        <property name="default_pane">0</property>
+                                        <property name="dock">Dock</property>
+                                        <property name="dock_fixed">0</property>
+                                        <property name="docking">Left</property>
+                                        <property name="enabled">1</property>
+                                        <property name="fg"></property>
+                                        <property name="floatable">1</property>
+                                        <property name="font"></property>
+                                        <property name="gripper">0</property>
+                                        <property name="hidden">0</property>
+                                        <property name="id">wxID_ANY</property>
+                                        <property name="max_size"></property>
+                                        <property name="maximize_button">0</property>
+                                        <property name="maximum_size"></property>
+                                        <property name="min_size"></property>
+                                        <property name="minimize_button">0</property>
+                                        <property name="minimum_size"></property>
+                                        <property name="moveable">1</property>
+                                        <property name="name">m_choiceMantissaMM</property>
+                                        <property name="pane_border">1</property>
+                                        <property name="pane_position"></property>
+                                        <property name="pane_size"></property>
+                                        <property name="permission">protected</property>
+                                        <property name="pin_button">1</property>
+                                        <property name="pos"></property>
+                                        <property name="resize">Resizable</property>
+                                        <property name="selection">1</property>
+                                        <property name="show">1</property>
+                                        <property name="size"></property>
+                                        <property name="style"></property>
+                                        <property name="subclass">; ; forward_declare</property>
+                                        <property name="toolbar_pane">0</property>
+                                        <property name="tooltip"></property>
+                                        <property name="validator_data_type"></property>
+                                        <property name="validator_style">wxFILTER_NONE</property>
+                                        <property name="validator_type">wxDefaultValidator</property>
+                                        <property name="validator_variable"></property>
+                                        <property name="window_extra_style"></property>
+                                        <property name="window_name"></property>
+                                        <property name="window_style"></property>
+                                    </object>
+                                </object>
+                                <object class="sizeritem" expanded="1">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALL|wxALIGN_CENTER_VERTICAL</property>
+                                    <property name="proportion">0</property>
+                                    <object class="wxStaticText" expanded="1">
+                                        <property name="BottomDockable">1</property>
+                                        <property name="LeftDockable">1</property>
+                                        <property name="RightDockable">1</property>
+                                        <property name="TopDockable">1</property>
+                                        <property name="aui_layer"></property>
+                                        <property name="aui_name"></property>
+                                        <property name="aui_position"></property>
+                                        <property name="aui_row"></property>
+                                        <property name="best_size"></property>
+                                        <property name="bg"></property>
+                                        <property name="caption"></property>
+                                        <property name="caption_visible">1</property>
+                                        <property name="center_pane">0</property>
+                                        <property name="close_button">1</property>
+                                        <property name="context_help"></property>
+                                        <property name="context_menu">1</property>
+                                        <property name="default_pane">0</property>
+                                        <property name="dock">Dock</property>
+                                        <property name="dock_fixed">0</property>
+                                        <property name="docking">Left</property>
+                                        <property name="enabled">1</property>
+                                        <property name="fg"></property>
+                                        <property name="floatable">1</property>
+                                        <property name="font"></property>
+                                        <property name="gripper">0</property>
+                                        <property name="hidden">0</property>
+                                        <property name="id">wxID_ANY</property>
+                                        <property name="label">Format for inches</property>
+                                        <property name="markup">0</property>
+                                        <property name="max_size"></property>
+                                        <property name="maximize_button">0</property>
+                                        <property name="maximum_size"></property>
+                                        <property name="min_size"></property>
+                                        <property name="minimize_button">0</property>
+                                        <property name="minimum_size"></property>
+                                        <property name="moveable">1</property>
+                                        <property name="name">m_staticTextUnitsInch</property>
+                                        <property name="pane_border">1</property>
+                                        <property name="pane_position"></property>
+                                        <property name="pane_size"></property>
+                                        <property name="permission">protected</property>
+                                        <property name="pin_button">1</property>
+                                        <property name="pos"></property>
+                                        <property name="resize">Resizable</property>
+                                        <property name="show">1</property>
+                                        <property name="size"></property>
+                                        <property name="style"></property>
+                                        <property name="subclass">; ; forward_declare</property>
+                                        <property name="toolbar_pane">0</property>
+                                        <property name="tooltip"></property>
+                                        <property name="window_extra_style"></property>
+                                        <property name="window_name"></property>
+                                        <property name="window_style"></property>
+                                        <property name="wrap">-1</property>
+                                    </object>
+                                </object>
+                                <object class="sizeritem" expanded="1">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALL</property>
+                                    <property name="proportion">0</property>
+                                    <object class="wxChoice" expanded="1">
+                                        <property name="BottomDockable">1</property>
+                                        <property name="LeftDockable">1</property>
+                                        <property name="RightDockable">1</property>
+                                        <property name="TopDockable">1</property>
+                                        <property name="aui_layer"></property>
+                                        <property name="aui_name"></property>
+                                        <property name="aui_position"></property>
+                                        <property name="aui_row"></property>
+                                        <property name="best_size"></property>
+                                        <property name="bg"></property>
+                                        <property name="caption"></property>
+                                        <property name="caption_visible">1</property>
+                                        <property name="center_pane">0</property>
+                                        <property name="choices">&quot;2&quot; &quot;3&quot; &quot;4&quot; &quot;5&quot; &quot;6&quot;</property>
+                                        <property name="close_button">1</property>
+                                        <property name="context_help"></property>
+                                        <property name="context_menu">1</property>
+                                        <property name="default_pane">0</property>
+                                        <property name="dock">Dock</property>
+                                        <property name="dock_fixed">0</property>
+                                        <property name="docking">Left</property>
+                                        <property name="enabled">1</property>
+                                        <property name="fg"></property>
+                                        <property name="floatable">1</property>
+                                        <property name="font"></property>
+                                        <property name="gripper">0</property>
+                                        <property name="hidden">0</property>
+                                        <property name="id">wxID_ANY</property>
+                                        <property name="max_size"></property>
+                                        <property name="maximize_button">0</property>
+                                        <property name="maximum_size"></property>
+                                        <property name="min_size"></property>
+                                        <property name="minimize_button">0</property>
+                                        <property name="minimum_size"></property>
+                                        <property name="moveable">1</property>
+                                        <property name="name">m_choiceIntegerInch</property>
+                                        <property name="pane_border">1</property>
+                                        <property name="pane_position"></property>
+                                        <property name="pane_size"></property>
+                                        <property name="permission">protected</property>
+                                        <property name="pin_button">1</property>
+                                        <property name="pos"></property>
+                                        <property name="resize">Resizable</property>
+                                        <property name="selection">0</property>
+                                        <property name="show">1</property>
+                                        <property name="size"></property>
+                                        <property name="style"></property>
+                                        <property name="subclass">; ; forward_declare</property>
+                                        <property name="toolbar_pane">0</property>
+                                        <property name="tooltip"></property>
+                                        <property name="validator_data_type"></property>
+                                        <property name="validator_style">wxFILTER_NONE</property>
+                                        <property name="validator_type">wxDefaultValidator</property>
+                                        <property name="validator_variable"></property>
+                                        <property name="window_extra_style"></property>
+                                        <property name="window_name"></property>
+                                        <property name="window_style"></property>
+                                        <event name="OnChoice">onUnitsChange</event>
+                                    </object>
+                                </object>
+                                <object class="sizeritem" expanded="1">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALL</property>
+                                    <property name="proportion">0</property>
+                                    <object class="wxStaticText" expanded="1">
+                                        <property name="BottomDockable">1</property>
+                                        <property name="LeftDockable">1</property>
+                                        <property name="RightDockable">1</property>
+                                        <property name="TopDockable">1</property>
+                                        <property name="aui_layer"></property>
+                                        <property name="aui_name"></property>
+                                        <property name="aui_position"></property>
+                                        <property name="aui_row"></property>
+                                        <property name="best_size"></property>
+                                        <property name="bg"></property>
+                                        <property name="caption"></property>
+                                        <property name="caption_visible">1</property>
+                                        <property name="center_pane">0</property>
+                                        <property name="close_button">1</property>
+                                        <property name="context_help"></property>
+                                        <property name="context_menu">1</property>
+                                        <property name="default_pane">0</property>
+                                        <property name="dock">Dock</property>
+                                        <property name="dock_fixed">0</property>
+                                        <property name="docking">Left</property>
+                                        <property name="enabled">1</property>
+                                        <property name="fg"></property>
+                                        <property name="floatable">1</property>
+                                        <property name="font"></property>
+                                        <property name="gripper">0</property>
+                                        <property name="hidden">0</property>
+                                        <property name="id">wxID_ANY</property>
+                                        <property name="label">:</property>
+                                        <property name="markup">0</property>
+                                        <property name="max_size"></property>
+                                        <property name="maximize_button">0</property>
+                                        <property name="maximum_size"></property>
+                                        <property name="min_size"></property>
+                                        <property name="minimize_button">0</property>
+                                        <property name="minimum_size"></property>
+                                        <property name="moveable">1</property>
+                                        <property name="name">m_staticText9</property>
+                                        <property name="pane_border">1</property>
+                                        <property name="pane_position"></property>
+                                        <property name="pane_size"></property>
+                                        <property name="permission">protected</property>
+                                        <property name="pin_button">1</property>
+                                        <property name="pos"></property>
+                                        <property name="resize">Resizable</property>
+                                        <property name="show">1</property>
+                                        <property name="size"></property>
+                                        <property name="style"></property>
+                                        <property name="subclass">; ; forward_declare</property>
+                                        <property name="toolbar_pane">0</property>
+                                        <property name="tooltip"></property>
+                                        <property name="window_extra_style"></property>
+                                        <property name="window_name"></property>
+                                        <property name="window_style"></property>
+                                        <property name="wrap">-1</property>
+                                    </object>
+                                </object>
+                                <object class="sizeritem" expanded="1">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALL</property>
+                                    <property name="proportion">0</property>
+                                    <object class="wxChoice" expanded="1">
+                                        <property name="BottomDockable">1</property>
+                                        <property name="LeftDockable">1</property>
+                                        <property name="RightDockable">1</property>
+                                        <property name="TopDockable">1</property>
+                                        <property name="aui_layer"></property>
+                                        <property name="aui_name"></property>
+                                        <property name="aui_position"></property>
+                                        <property name="aui_row"></property>
+                                        <property name="best_size"></property>
+                                        <property name="bg"></property>
+                                        <property name="caption"></property>
+                                        <property name="caption_visible">1</property>
+                                        <property name="center_pane">0</property>
+                                        <property name="choices">&quot;2&quot; &quot;3&quot; &quot;4&quot; &quot;5&quot; &quot;6&quot;</property>
+                                        <property name="close_button">1</property>
+                                        <property name="context_help"></property>
+                                        <property name="context_menu">1</property>
+                                        <property name="default_pane">0</property>
+                                        <property name="dock">Dock</property>
+                                        <property name="dock_fixed">0</property>
+                                        <property name="docking">Left</property>
+                                        <property name="enabled">1</property>
+                                        <property name="fg"></property>
+                                        <property name="floatable">1</property>
+                                        <property name="font"></property>
+                                        <property name="gripper">0</property>
+                                        <property name="hidden">0</property>
+                                        <property name="id">wxID_ANY</property>
+                                        <property name="max_size"></property>
+                                        <property name="maximize_button">0</property>
+                                        <property name="maximum_size"></property>
+                                        <property name="min_size"></property>
+                                        <property name="minimize_button">0</property>
+                                        <property name="minimum_size"></property>
+                                        <property name="moveable">1</property>
+                                        <property name="name">m_choiceMantissaInch</property>
+                                        <property name="pane_border">1</property>
+                                        <property name="pane_position"></property>
+                                        <property name="pane_size"></property>
+                                        <property name="permission">protected</property>
+                                        <property name="pin_button">1</property>
+                                        <property name="pos"></property>
+                                        <property name="resize">Resizable</property>
+                                        <property name="selection">2</property>
+                                        <property name="show">1</property>
+                                        <property name="size"></property>
+                                        <property name="style"></property>
+                                        <property name="subclass">; ; forward_declare</property>
+                                        <property name="toolbar_pane">0</property>
+                                        <property name="tooltip"></property>
+                                        <property name="validator_data_type"></property>
+                                        <property name="validator_style">wxFILTER_NONE</property>
+                                        <property name="validator_type">wxDefaultValidator</property>
+                                        <property name="validator_variable"></property>
+                                        <property name="window_extra_style"></property>
+                                        <property name="window_name"></property>
+                                        <property name="window_style"></property>
+                                    </object>
+                                </object>
+                            </object>
+                        </object>
+                    </object>
+                </object>
+            </object>
+        </object>
+    </object>
+</wxFormBuilder_Project>
diff --git a/gerbview/dialogs/panel_gerbview_excellon_settings_base.h b/gerbview/dialogs/panel_gerbview_excellon_settings_base.h
new file mode 100644
index 0000000000..8d669a4ec3
--- /dev/null
+++ b/gerbview/dialogs/panel_gerbview_excellon_settings_base.h
@@ -0,0 +1,64 @@
+///////////////////////////////////////////////////////////////////////////
+// C++ code generated with wxFormBuilder (version Oct 26 2018)
+// http://www.wxformbuilder.org/
+//
+// PLEASE DO *NOT* EDIT THIS FILE!
+///////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include <wx/artprov.h>
+#include <wx/xrc/xmlres.h>
+#include <wx/intl.h>
+#include "widgets/resettable_panel.h"
+#include <wx/string.h>
+#include <wx/stattext.h>
+#include <wx/gdicmn.h>
+#include <wx/font.h>
+#include <wx/colour.h>
+#include <wx/settings.h>
+#include <wx/radiobox.h>
+#include <wx/sizer.h>
+#include <wx/statbox.h>
+#include <wx/statline.h>
+#include <wx/choice.h>
+#include <wx/panel.h>
+
+///////////////////////////////////////////////////////////////////////////
+
+
+///////////////////////////////////////////////////////////////////////////////
+/// Class PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE
+///////////////////////////////////////////////////////////////////////////////
+class PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE : public RESETTABLE_PANEL
+{
+	private:
+
+	protected:
+		wxStaticText* m_staticText11;
+		wxRadioBox* m_rbUnits;
+		wxRadioBox* m_rbZeroFormat;
+		wxStaticLine* m_staticline1;
+		wxStaticText* m_staticText6;
+		wxStaticText* m_staticText10;
+		wxStaticText* m_staticText7;
+		wxStaticText* m_staticTextUnitsmm;
+		wxChoice* m_choiceIntegerMM;
+		wxStaticText* m_staticText8;
+		wxChoice* m_choiceMantissaMM;
+		wxStaticText* m_staticTextUnitsInch;
+		wxChoice* m_choiceIntegerInch;
+		wxStaticText* m_staticText9;
+		wxChoice* m_choiceMantissaInch;
+
+		// Virtual event handlers, overide them in your derived class
+		virtual void onUnitsChange( wxCommandEvent& event ) { event.Skip(); }
+
+
+	public:
+
+		PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE( wxWindow* parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( 440,336 ), long style = wxTAB_TRAVERSAL, const wxString& name = wxEmptyString );
+		~PANEL_GERBVIEW_EXCELLON_SETTINGS_BASE();
+
+};
+
diff --git a/gerbview/excellon_defaults.h b/gerbview/excellon_defaults.h
new file mode 100644
index 0000000000..6775dd3355
--- /dev/null
+++ b/gerbview/excellon_defaults.h
@@ -0,0 +1,60 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2021 Jean-Pierre Charras  jp.charras at wanadoo.fr
+ * Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.txt for contributors.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+// Default format for coordinates: they are the default values, not the actual values
+// defaut format is 3:3 in mm and 2:4 in inch
+//
+// number of digits in mantissa:
+#define FMT_MANTISSA_MM     3
+#define FMT_MANTISSA_INCH   4
+// number of digits, integer part:
+#define FMT_INTEGER_MM      3
+#define FMT_INTEGER_INCH    2
+
+
+/**
+ * management of default values used to read a Excellon (.nc) drill file
+ * Some important parameters are not defined in drill files, and some others
+ * can be missing in poor drill files.
+ * These default values are used when parameter is not found in file
+ */
+struct EXCELLON_DEFAULTS
+{
+    bool m_UnitsMM;         // false = inch, true = mm
+    bool m_LeadingZero;     // True = LZ false = TZ
+    int m_MmIntegerLen;     // number of digits for the integer part of a coordinate in mm
+    int m_MmMantissaLen;    // number of digits for the mantissa part of a coordinate in mm
+    int m_InchIntegerLen;   // number of digits for the integer part of a coordinate in inch
+    int m_InchMantissaLen;  // number of digits for the mantissa part of a coordinate in inch
+
+    EXCELLON_DEFAULTS() { ResetToDefaults(); }
+
+    void ResetToDefaults()
+    {
+        m_UnitsMM = false;
+        m_LeadingZero = true;
+        m_MmIntegerLen = FMT_INTEGER_MM;
+        m_MmMantissaLen = FMT_MANTISSA_MM;
+        m_InchIntegerLen = FMT_INTEGER_INCH;
+        m_InchMantissaLen = FMT_MANTISSA_INCH;
+    }
+};
diff --git a/gerbview/excellon_image.h b/gerbview/excellon_image.h
index 5bda861442..ed2f2572f4 100644
--- a/gerbview/excellon_image.h
+++ b/gerbview/excellon_image.h
@@ -25,6 +25,8 @@
 #ifndef EXCELLON_IMAGE_H
 #define EXCELLON_IMAGE_H
 
+struct EXCELLON_DEFAULTS;
+
 
 enum drill_M_code_t {
     DRILL_M_UNKNOWN,
@@ -155,10 +157,11 @@ public: EXCELLON_IMAGE( int layer ) :
      *
      * When the file cannot be loaded, warning and info messages are stored in m_Messages.
      *
-     * @param aFullFileName is the full filename of the Gerber file.
+     * @param aFullFileName is the full filename of the Excellon file.
+     * @param aDefaults is the default values when not found in file.
      * @return true if OK, false if the gerber file was not loaded.
      */
-    bool LoadFile( const wxString& aFullFileName );
+    bool LoadFile( const wxString& aFullFileName, EXCELLON_DEFAULTS* aDefaults );
 
 private:
     bool Execute_HEADER_And_M_Command( char*& text );
@@ -190,7 +193,10 @@ private:
      */
     void FinishRouteCommand();
 
-    void SelectUnits( bool aMetric );
+    /**
+     * Switch unit selection, and the coordinate format (nn:mm) if not yet set
+     */
+    void SelectUnits( bool aMetric, EXCELLON_DEFAULTS* aDefaults );
 
 private:
     enum EXCELLON_STATE {
@@ -204,6 +210,12 @@ private:
     bool           m_RouteModeOn;   // true during a route mode (for instance a oval hole) or
                                     // a cutout.
     std::vector<EXCELLON_ROUTE_COORD> m_RoutePositions;  // The list of points in a route mode
+
+    /// Excellon file do not have a format statement to specify the coordinate format
+    /// like nn:mm.
+    /// However Altium files have a comment to specify it (";FILE_FORMET_"
+    /// m_hasFormat is set to true if this comment is found, and coordinate format is known.
+    bool           m_hasFormat;
 };
 
 
diff --git a/gerbview/excellon_read_drill_file.cpp b/gerbview/excellon_read_drill_file.cpp
index 8ef546fa1d..f9f48a1070 100644
--- a/gerbview/excellon_read_drill_file.cpp
+++ b/gerbview/excellon_read_drill_file.cpp
@@ -69,24 +69,18 @@
 #include <gerber_file_image.h>
 #include <gerber_file_image_list.h>
 #include <excellon_image.h>
+#include <excellon_defaults.h>
 #include <macros.h>
 #include <string_utils.h>
 #include <locale_io.h>
 #include <X2_gerber_attributes.h>
 #include <view/view.h>
+#include <gerbview_settings.h>
 
 #include <cmath>
 
 #include <dialogs/html_messagebox.h>
 
-// Default format for dimensions: they are the default values, not the actual values
-// number of digits in mantissa:
-static const int fmtMantissaMM = 3;
-static const int fmtMantissaInch = 4;
-// number of digits, integer part:
-static const int fmtIntegerMM = 3;
-static const int fmtIntegerInch = 2;
-
 // A helper function to calculate the arc center of an arc
 // known by 2 end points, the radius, and the angle direction (CW or CCW)
 // Arc angles are <= 180 degrees in circular interpol.
@@ -257,8 +251,12 @@ bool GERBVIEW_FRAME::Read_EXCELLON_File( const wxString& aFullFileName )
 
     std::unique_ptr<EXCELLON_IMAGE> drill_layer_uptr = std::make_unique<EXCELLON_IMAGE>( layerId );
 
+    EXCELLON_DEFAULTS nc_defaults;
+    GERBVIEW_SETTINGS* cfg = static_cast<GERBVIEW_SETTINGS*>( config() );
+    cfg->GetExcellonDefaults( nc_defaults );
+
     // Read the Excellon drill file:
-    bool success = drill_layer_uptr->LoadFile( aFullFileName );
+    bool success = drill_layer_uptr->LoadFile( aFullFileName, &nc_defaults );
 
     if( !success )
     {
@@ -300,7 +298,9 @@ bool GERBVIEW_FRAME::Read_EXCELLON_File( const wxString& aFullFileName )
 void EXCELLON_IMAGE::ResetDefaultValues()
 {
     GERBER_FILE_IMAGE::ResetDefaultValues();
-    SelectUnits( false );       // Default unit = inch
+    SelectUnits( false, nullptr );      // Default unit = inch
+    m_hasFormat = false;                // will be true if a Altium file containing
+                                        // the nn:mm file format is read
 
     // Files using non decimal can use No Trailing zeros or No leading Zeros
     // Unfortunately, the identifier (INCH,TZ or INCH,LZ for instance) is not
@@ -321,7 +321,7 @@ void EXCELLON_IMAGE::ResetDefaultValues()
  *   integer 2.4 format in imperial units,
  *   integer 3.2 or 3.3 format (metric units).
  */
-bool EXCELLON_IMAGE::LoadFile( const wxString & aFullFileName )
+bool EXCELLON_IMAGE::LoadFile( const wxString & aFullFileName, EXCELLON_DEFAULTS* aDefaults )
 {
     // Set the default parameter values:
     ResetDefaultValues();
@@ -332,6 +332,10 @@ bool EXCELLON_IMAGE::LoadFile( const wxString & aFullFileName )
     if( m_Current_File == nullptr )
         return false;
 
+    // Initial format setting, usualy defined in file, but not always...
+    m_NoTrailingZeros = aDefaults->m_LeadingZero;
+    m_GerbMetric = aDefaults->m_UnitsMM;
+
     wxString msg;
     m_FileName = aFullFileName;
 
@@ -354,6 +358,9 @@ bool EXCELLON_IMAGE::LoadFile( const wxString & aFullFileName )
         if( m_State == EXCELLON_IMAGE::READ_HEADER_STATE )
         {
             Execute_HEADER_And_M_Command( text );
+
+            // Now units (inch/mm) are known, set the coordinate format
+            SelectUnits( m_GerbMetric, aDefaults );
         }
         else
         {
@@ -486,12 +493,12 @@ bool EXCELLON_IMAGE::Execute_HEADER_And_M_Command( char*& text )
         break;
 
     case DRILL_M_METRIC:
-        SelectUnits( true );
+        SelectUnits( true, nullptr );
         break;
 
     case DRILL_IMPERIAL_HEADER:  // command like INCH,TZ or INCH,LZ
     case DRILL_METRIC_HEADER:    // command like METRIC,TZ or METRIC,LZ
-        SelectUnits( cmd->m_Code == DRILL_METRIC_HEADER ? true : false );
+        SelectUnits( cmd->m_Code == DRILL_METRIC_HEADER ? true : false, nullptr );
 
         if( *text != ',' )
         {
@@ -915,7 +922,7 @@ bool EXCELLON_IMAGE::Execute_EXCELLON_G_Command( char*& text )
     return success;
 }
 
-void EXCELLON_IMAGE::SelectUnits( bool aMetric )
+void EXCELLON_IMAGE::SelectUnits( bool aMetric, EXCELLON_DEFAULTS* aDefaults )
 {
     /* Coordinates are measured either in inch or metric (millimeters).
      * Inch coordinates are in six digits (00.0000) with increments
@@ -928,6 +935,8 @@ void EXCELLON_IMAGE::SelectUnits( bool aMetric )
      *
      * Inches: Default fmt = 2.4 for X and Y axis: 6 digits with  0.0001 resolution
      * metric: Default fmt = 3.3 for X and Y axis: 6 digits, 1 micron resolution
+     *
+     * However some drill files do not use standard values.
      */
     if( aMetric )
     {
@@ -935,10 +944,19 @@ void EXCELLON_IMAGE::SelectUnits( bool aMetric )
 
         if( !m_hasFormat )
         {
-            // number of digits in mantissa
-            m_FmtScale.x = m_FmtScale.y = fmtMantissaMM;
-            // number of digits (mantissa+integer)
-            m_FmtLen.x = m_FmtLen.y = fmtIntegerMM + fmtMantissaMM;
+            if( aDefaults )
+            {
+                // number of digits in mantissa
+                m_FmtScale.x = m_FmtScale.y = aDefaults->m_MmMantissaLen;
+                // number of digits (mantissa+integer)
+                m_FmtLen.x = m_FmtLen.y = aDefaults->m_MmIntegerLen
+                                          + aDefaults->m_MmMantissaLen;
+            }
+            else
+            {
+                m_FmtScale.x = m_FmtScale.y = FMT_MANTISSA_MM;
+                m_FmtLen.x = m_FmtLen.y = FMT_INTEGER_MM + FMT_MANTISSA_MM;
+            }
         }
     }
     else
@@ -947,8 +965,17 @@ void EXCELLON_IMAGE::SelectUnits( bool aMetric )
 
         if( !m_hasFormat )
         {
-            m_FmtScale.x = m_FmtScale.y = fmtMantissaInch;
-            m_FmtLen.x = m_FmtLen.y = fmtIntegerInch + fmtMantissaInch;
+            if( aDefaults )
+            {
+                m_FmtScale.x = m_FmtScale.y = aDefaults->m_InchMantissaLen;
+                m_FmtLen.x = m_FmtLen.y = aDefaults->m_InchIntegerLen
+                                          + aDefaults->m_InchMantissaLen;
+            }
+            else
+            {
+                m_FmtScale.x = m_FmtScale.y = FMT_MANTISSA_INCH;
+                m_FmtLen.x = m_FmtLen.y = FMT_INTEGER_INCH + FMT_MANTISSA_INCH;
+            }
         }
     }
 }
diff --git a/gerbview/gerber_file_image.cpp b/gerbview/gerber_file_image.cpp
index a65130b009..fbdc3501ab 100644
--- a/gerbview/gerber_file_image.cpp
+++ b/gerbview/gerber_file_image.cpp
@@ -183,7 +183,6 @@ void GERBER_FILE_IMAGE::ResetDefaultValues()
     m_ImageJustifyXCenter = false;                  // Image Justify Center on X axis (default = false)
     m_ImageJustifyYCenter = false;                  // Image Justify Center on Y axis (default = false)
     m_GerbMetric    = false;                        // false = Inches (default), true = metric
-    m_hasFormat = false;
     m_Relative = false;                             // false = absolute Coord,
                                                     // true = relative Coord
     m_NoTrailingZeros = false;                      // true: trailing zeros deleted
diff --git a/gerbview/gerber_file_image.h b/gerbview/gerber_file_image.h
index 933a59e00e..348448a894 100644
--- a/gerbview/gerber_file_image.h
+++ b/gerbview/gerber_file_image.h
@@ -379,7 +379,6 @@ public:
     ///< Image Justify Offset on XY axis (default = 0,0).
     wxPoint            m_ImageJustifyOffset;
     bool               m_GerbMetric;                     // false = Inches, true = metric
-    bool               m_hasFormat;
 
     ///< false = absolute Coord, true = relative Coord.
     bool               m_Relative;
diff --git a/gerbview/gerbview_frame.cpp b/gerbview/gerbview_frame.cpp
index 824d479577..e799f7fd63 100644
--- a/gerbview/gerbview_frame.cpp
+++ b/gerbview/gerbview_frame.cpp
@@ -55,6 +55,7 @@
 #include <widgets/paged_dialog.h>
 #include <dialogs/panel_gerbview_settings.h>
 #include <dialogs/panel_gerbview_display_options.h>
+#include <dialogs/panel_gerbview_excellon_settings.h>
 #include <panel_hotkeys_editor.h>
 #include <wx/wupdlock.h>
 #include <wx/treebook.h>
@@ -1015,8 +1016,11 @@ void GERBVIEW_FRAME::InstallPreferences( PAGED_DIALOG* aParent,
     wxTreebook* book = aParent->GetTreebook();
 
     book->AddPage( new wxPanel( book ), _( "GerbView" ) );
-    book->AddSubPage( new PANEL_GERBVIEW_DISPLAY_OPTIONS( this, book ), _( "Display Options" ) );
+    book->AddSubPage( new PANEL_GERBVIEW_DISPLAY_OPTIONS( this, book ),
+                      _( "Display Options" ) );
     book->AddSubPage( new PANEL_GERBVIEW_SETTINGS( this, book ), _( "Editing Options" ) );
+    book->AddSubPage( new PANEL_GERBVIEW_EXCELLON_SETTINGS( this, book ),
+                      _( "Excellon Options" ) );
 
     aHotkeysPanel->AddHotKeys( GetToolManager() );
 }
diff --git a/gerbview/gerbview_settings.cpp b/gerbview/gerbview_settings.cpp
index b29ccc0f7a..f7e798f2d7 100644
--- a/gerbview/gerbview_settings.cpp
+++ b/gerbview/gerbview_settings.cpp
@@ -1,7 +1,7 @@
 /*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
-* Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors.
+* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
@@ -67,6 +67,24 @@ GERBVIEW_SETTINGS::GERBVIEW_SETTINGS() :
 
     m_params.emplace_back( new PARAM<int>( "gerber_to_pcb_copperlayers_count",
             &m_BoardLayersCount, 2 ) );
+
+    m_params.emplace_back( new PARAM<bool>( "excellon_defaults.unit_mm",
+            &m_ExcellonDefaults.m_UnitsMM, false ) );
+
+    m_params.emplace_back( new PARAM<bool>( "excellon_defaults.lz_format",
+            &m_ExcellonDefaults.m_LeadingZero, true ) );
+
+    m_params.emplace_back( new PARAM<int>( "excellon_defaults.mm_integer_len",
+            &m_ExcellonDefaults.m_MmIntegerLen, FMT_INTEGER_MM, 2 , 6 ) );
+
+    m_params.emplace_back( new PARAM<int>( "excellon_defaults.mm_mantissa_len",
+            &m_ExcellonDefaults.m_MmMantissaLen, FMT_MANTISSA_MM, 2 , 6 ) );
+
+    m_params.emplace_back( new PARAM<int>( "excellon_defaults.inch_integer_len",
+            &m_ExcellonDefaults.m_InchIntegerLen, FMT_INTEGER_INCH, 2 , 6 ) );
+
+    m_params.emplace_back( new PARAM<int>( "excellon_defaults.inch_mantissa_len",
+            &m_ExcellonDefaults.m_InchMantissaLen, FMT_MANTISSA_INCH, 2 , 6 ) );
 }
 
 
diff --git a/gerbview/gerbview_settings.h b/gerbview/gerbview_settings.h
index 55a624d5d2..6804915190 100644
--- a/gerbview/gerbview_settings.h
+++ b/gerbview/gerbview_settings.h
@@ -1,7 +1,7 @@
 /*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
-* Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors.
+* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
@@ -25,6 +25,7 @@
 #define _GERBVIEW_SETTINGS_H
 
 #include <settings/app_settings.h>
+#include <excellon_defaults.h>
 
 
 class GERBVIEW_SETTINGS : public APP_SETTINGS_BASE
@@ -44,6 +45,15 @@ public:
 
     virtual bool MigrateFromLegacy( wxConfigBase* aLegacyConfig ) override;
 
+    /**
+     * return the Excellon default values to read a drill file
+     * @param aNCDefaults is the EXCELLON_DEFAULTS to store these prms
+     */
+    void GetExcellonDefaults( EXCELLON_DEFAULTS& aNCDefaults )
+    {
+        aNCDefaults = m_ExcellonDefaults;
+    }
+
 public:
 
     APPEARANCE m_Appearance;
@@ -62,6 +72,8 @@ public:
      */
     std::vector<int> m_GerberToPcbLayerMapping;
 
+    EXCELLON_DEFAULTS m_ExcellonDefaults;
+
 protected:
 
     virtual std::string getLegacyFrameName() const override { return "GerberFrame"; }