diff --git a/common/pcb.keywords b/common/pcb.keywords
index 4b42cbac82..1e28ba07b8 100644
--- a/common/pcb.keywords
+++ b/common/pcb.keywords
@@ -111,6 +111,7 @@ layers
 left
 links
 locked
+max_error
 micro
 min_thickness
 mirror
diff --git a/common/plotters/DXF_plotter.cpp b/common/plotters/DXF_plotter.cpp
index 08c3d978c9..5f455d2a59 100644
--- a/common/plotters/DXF_plotter.cpp
+++ b/common/plotters/DXF_plotter.cpp
@@ -745,7 +745,6 @@ void DXF_PLOTTER::FlashPadRoundRect( const wxPoint& aPadPos, const wxSize& aSize
                                      EDA_DRAW_MODE_T aTraceMode, void* aData )
 {
     SHAPE_POLY_SET outline;
-    const int segmentToCircleCount = 64;
     TransformRoundChamferedRectToPolygon( outline, aPadPos, aSize, aOrient,
                                  aCornerRadius, 0.0, 0, GetPlotterArcHighDef() );
 
diff --git a/include/board_design_settings.h b/include/board_design_settings.h
index 38060c5a48..b16111b70f 100644
--- a/include/board_design_settings.h
+++ b/include/board_design_settings.h
@@ -70,6 +70,9 @@
 #define LEGACY_COPPEREDGECLEARANCE   -0.01    // A flag to indicate the legacy method (based
                                               // on edge cut line thicknesses) should be used.
 
+#define MINIMUM_ERROR_SIZE_MM         0.001
+#define MAXIMUM_ERROR_SIZE_MM         0.1
+
 /**
  * Struct VIA_DIMENSION
  * is a small helper container to handle a stock of specific vias each with
@@ -195,6 +198,9 @@ public:
     int        m_MicroViasMinDrill;         ///< micro vias (not vias) min drill diameter
     int        m_CopperEdgeClearance;
 
+    // Maximum error allowed when approximating circles and arcs to segments
+    int        m_MaxError;
+
     // Global mask margins:
     int        m_SolderMaskMargin;          ///< Solder mask margin
     int        m_SolderMaskMinWidth;        ///< Solder mask min width
diff --git a/pcbnew/board_design_settings.cpp b/pcbnew/board_design_settings.cpp
index bab42bfe2b..ca969e29b9 100644
--- a/pcbnew/board_design_settings.cpp
+++ b/pcbnew/board_design_settings.cpp
@@ -496,6 +496,8 @@ BOARD_DESIGN_SETTINGS::BOARD_DESIGN_SETTINGS() :
     m_MicroViasMinDrill   = Millimeter2iu( DEFAULT_MICROVIASMINDRILL );
     m_CopperEdgeClearance = Millimeter2iu( DEFAULT_COPPEREDGECLEARANCE );
 
+    m_MaxError            = ARC_HIGH_DEF;
+
     // Global mask margins:
     m_SolderMaskMargin  = Millimeter2iu( DEFAULT_SOLDERMASK_CLEARANCE );
     m_SolderMaskMinWidth = Millimeter2iu( DEFAULT_SOLDERMASK_MIN_WIDTH );
diff --git a/pcbnew/board_items_to_polygon_shape_transform.cpp b/pcbnew/board_items_to_polygon_shape_transform.cpp
index 376ba80417..45026d1261 100644
--- a/pcbnew/board_items_to_polygon_shape_transform.cpp
+++ b/pcbnew/board_items_to_polygon_shape_transform.cpp
@@ -327,6 +327,11 @@ void ZONE_CONTAINER::TransformSolidAreasShapesToPolygonSet(
 
     // add filled areas polygons
     aCornerBuffer.Append( m_FilledPolysList );
+    auto board = GetBoard();
+    int maxError = ARC_HIGH_DEF;
+
+    if( board )
+        maxError = board->GetDesignSettings().m_MaxError;
 
     // add filled areas outlines, which are drawn with thick lines
     for( int i = 0; i < m_FilledPolysList.OutlineCount(); i++ )
@@ -339,7 +344,7 @@ void ZONE_CONTAINER::TransformSolidAreasShapesToPolygonSet(
             const VECTOR2I& b = path.CPoint( j + 1 );
 
             TransformRoundedEndsSegmentToPolygon( aCornerBuffer, wxPoint( a.x, a.y ),
-                    wxPoint( b.x, b.y ), ARC_HIGH_DEF, GetMinThickness() );
+                    wxPoint( b.x, b.y ), maxError, GetMinThickness() );
         }
     }
 }
diff --git a/pcbnew/class_board.cpp b/pcbnew/class_board.cpp
index 5f210a6b62..ea3f86633f 100644
--- a/pcbnew/class_board.cpp
+++ b/pcbnew/class_board.cpp
@@ -2472,8 +2472,9 @@ extern bool BuildBoardPolygonOutlines( BOARD* aBoard, SHAPE_POLY_SET& aOutlines,
 
 bool BOARD::GetBoardPolygonOutlines( SHAPE_POLY_SET& aOutlines, wxString* aErrorText, wxPoint* aErrorLocation )
 {
+
     bool success = BuildBoardPolygonOutlines( this, aOutlines, aErrorText,
-            ARC_HIGH_DEF, aErrorLocation );
+            GetDesignSettings().m_MaxError, aErrorLocation );
 
     // Make polygon strictly simple to avoid issues (especially in 3D viewer)
     aOutlines.Simplify( SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
diff --git a/pcbnew/class_pad.cpp b/pcbnew/class_pad.cpp
index d17988e119..7a07c4949b 100644
--- a/pcbnew/class_pad.cpp
+++ b/pcbnew/class_pad.cpp
@@ -938,12 +938,17 @@ bool D_PAD::HitTest( const wxPoint& aPosition, int aAccuracy ) const
         // Check for hit in polygon
         SHAPE_POLY_SET outline;
         bool doChamfer = GetShape() == PAD_SHAPE_CHAMFERED_RECT;
+        auto board = GetBoard();
+        int maxError = ARC_HIGH_DEF;
+
+        if( board )
+            maxError = board->GetDesignSettings().m_MaxError;
 
         TransformRoundChamferedRectToPolygon( outline, wxPoint(0,0), GetSize(), m_Orient,
                                               GetRoundRectCornerRadius(),
                                               doChamfer ? GetChamferRectRatio() : 0.0,
                                               doChamfer ? GetChamferPositions() : 0,
-                                              ARC_HIGH_DEF );
+                                              maxError );
 
         const SHAPE_LINE_CHAIN &poly = outline.COutline( 0 );
         return TestPointInsidePolygon( (const wxPoint*)&poly.CPoint(0), poly.PointCount(), delta );
diff --git a/pcbnew/class_zone.cpp b/pcbnew/class_zone.cpp
index 694dadfca5..822678b3b8 100644
--- a/pcbnew/class_zone.cpp
+++ b/pcbnew/class_zone.cpp
@@ -1317,9 +1317,16 @@ bool ZONE_CONTAINER::BuildSmoothedPoly( SHAPE_POLY_SET& aSmoothedPoly ) const
         break;
 
     case ZONE_SETTINGS::SMOOTHING_FILLET:
-        aSmoothedPoly = m_Poly->Fillet( m_cornerRadius, ARC_HIGH_DEF );
-        break;
+    {
+        auto board = GetBoard();
+        int maxError = ARC_HIGH_DEF;
 
+        if( board )
+            maxError = board->GetDesignSettings().m_MaxError;
+
+        aSmoothedPoly = m_Poly->Fillet( m_cornerRadius, maxError );
+        break;
+    }
     default:
         // Acute angles between adjacent edges can create issues in calculations,
         // in inflate/deflate outlines transforms, especially when the angle is very small.
@@ -1362,7 +1369,13 @@ void ZONE_CONTAINER::TransformOutlinesShapeWithClearanceToPolygon(
     // holes are linked to the main outline, so only one polygon is created.
     if( clearance )
     {
-        int segCount = std::max( GetArcToSegmentCount( clearance, ARC_HIGH_DEF, 360.0 ), 3 );
+        auto board = GetBoard();
+        int maxError = ARC_HIGH_DEF;
+
+        if( board )
+            maxError = board->GetDesignSettings().m_MaxError;
+
+        int segCount = std::max( GetArcToSegmentCount( clearance, maxError, 360.0 ), 3 );
         polybuffer.Inflate( clearance, segCount );
     }
     polybuffer.Fracture( SHAPE_POLY_SET::PM_FAST );
diff --git a/pcbnew/dialogs/panel_setup_feature_constraints.cpp b/pcbnew/dialogs/panel_setup_feature_constraints.cpp
index 6074e98be8..2564b7dbfc 100644
--- a/pcbnew/dialogs/panel_setup_feature_constraints.cpp
+++ b/pcbnew/dialogs/panel_setup_feature_constraints.cpp
@@ -38,7 +38,8 @@ PANEL_SETUP_FEATURE_CONSTRAINTS::PANEL_SETUP_FEATURE_CONSTRAINTS( PAGED_DIALOG*
         m_uviaMinSize( aFrame, m_uviaMinSizeLabel, m_uviaMinSizeCtrl, m_uviaMinSizeUnits, true ),
         m_uviaMinDrill( aFrame, m_uviaMinDrillLabel, m_uviaMinDrillCtrl, m_uviaMinDrillUnits, true ),
         m_holeToHoleMin( aFrame, m_HoleToHoleTitle, m_SetHoleToHoleCtrl, m_HoleToHoleUnits, true ),
-        m_edgeClearance( aFrame, m_EdgeClearanceLabel, m_EdgeClearanceCtrl, m_EdgeClearanceUnits, true )
+        m_edgeClearance( aFrame, m_EdgeClearanceLabel, m_EdgeClearanceCtrl, m_EdgeClearanceUnits, true ),
+        m_maxError( aFrame, m_maxErrorTitle, m_maxErrorCtrl, m_maxErrorUnits, true )
 {
     m_Frame = aFrame;
     m_BrdSettings = &m_Frame->GetBoard()->GetDesignSettings();
@@ -64,6 +65,8 @@ bool PANEL_SETUP_FEATURE_CONSTRAINTS::TransferDataToWindow()
     m_OptRequireCourtyards->SetValue( m_BrdSettings->m_RequireCourtyards );
     m_OptOverlappingCourtyards->SetValue( m_BrdSettings->m_ProhibitOverlappingCourtyards );
 
+    m_maxError.SetValue( m_BrdSettings->m_MaxError );
+
     return true;
 }
 
@@ -91,6 +94,9 @@ bool PANEL_SETUP_FEATURE_CONSTRAINTS::TransferDataFromWindow()
     m_BrdSettings->SetRequireCourtyardDefinitions( m_OptRequireCourtyards->GetValue() );
     m_BrdSettings->SetProhibitOverlappingCourtyards( m_OptOverlappingCourtyards->GetValue() );
 
+    m_BrdSettings->m_MaxError = Clamp<int>( IU_PER_MM * MINIMUM_ERROR_SIZE_MM,
+            m_maxError.GetValue(), IU_PER_MM * MAXIMUM_ERROR_SIZE_MM );
+
     return true;
 }
 
@@ -103,4 +109,4 @@ void PANEL_SETUP_FEATURE_CONSTRAINTS::ImportSettingsFrom( BOARD* aBoard )
     TransferDataToWindow();
 
     m_BrdSettings = savedSettings;
-}
\ No newline at end of file
+}
diff --git a/pcbnew/dialogs/panel_setup_feature_constraints.h b/pcbnew/dialogs/panel_setup_feature_constraints.h
index cb52de17da..40ce36e42f 100644
--- a/pcbnew/dialogs/panel_setup_feature_constraints.h
+++ b/pcbnew/dialogs/panel_setup_feature_constraints.h
@@ -48,6 +48,7 @@ public:
     UNIT_BINDER             m_uviaMinDrill;
     UNIT_BINDER             m_holeToHoleMin;
     UNIT_BINDER             m_edgeClearance;
+    UNIT_BINDER             m_maxError;
 
 public:
     PANEL_SETUP_FEATURE_CONSTRAINTS( PAGED_DIALOG* aParent, PCB_EDIT_FRAME* aFrame );
diff --git a/pcbnew/dialogs/panel_setup_feature_constraints_base.cpp b/pcbnew/dialogs/panel_setup_feature_constraints_base.cpp
index f5573a8121..2b717c4c61 100644
--- a/pcbnew/dialogs/panel_setup_feature_constraints_base.cpp
+++ b/pcbnew/dialogs/panel_setup_feature_constraints_base.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Dec 30 2017)
+// C++ code generated with wxFormBuilder (version Apr 23 2019)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO *NOT* EDIT THIS FILE!
@@ -9,166 +9,189 @@
 
 ///////////////////////////////////////////////////////////////////////////
 
-PANEL_SETUP_FEATURE_CONSTRAINTS_BASE::PANEL_SETUP_FEATURE_CONSTRAINTS_BASE( wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style ) : wxPanel( parent, id, pos, size, style )
+PANEL_SETUP_FEATURE_CONSTRAINTS_BASE::PANEL_SETUP_FEATURE_CONSTRAINTS_BASE( wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name ) : wxPanel( parent, id, pos, size, style, name )
 {
 	wxBoxSizer* bMainSizer;
 	bMainSizer = new wxBoxSizer( wxHORIZONTAL );
-	
+
 	wxBoxSizer* sbFeatureRules;
 	sbFeatureRules = new wxBoxSizer( wxVERTICAL );
-	
+
 	m_OptAllowBlindBuriedVias = new wxCheckBox( this, wxID_ANY, _("Allow blind/buried vias"), wxDefaultPosition, wxDefaultSize, 0 );
 	sbFeatureRules->Add( m_OptAllowBlindBuriedVias, 0, wxRIGHT|wxTOP, 5 );
-	
+
 	m_OptAllowMicroVias = new wxCheckBox( this, wxID_ANY, _("Allow micro vias (uVias)"), wxDefaultPosition, wxDefaultSize, 0 );
 	sbFeatureRules->Add( m_OptAllowMicroVias, 0, wxRIGHT|wxTOP, 5 );
-	
-	
+
+
 	sbFeatureRules->Add( 0, 0, 0, wxEXPAND|wxTOP|wxBOTTOM, 5 );
-	
+
 	m_OptRequireCourtyards = new wxCheckBox( this, wxID_ANY, _("Require courtyard definitions in footprints"), wxDefaultPosition, wxDefaultSize, 0 );
 	sbFeatureRules->Add( m_OptRequireCourtyards, 0, wxTOP|wxRIGHT, 5 );
-	
+
 	m_OptOverlappingCourtyards = new wxCheckBox( this, wxID_ANY, _("Prohibit overlapping courtyards"), wxDefaultPosition, wxDefaultSize, 0 );
 	sbFeatureRules->Add( m_OptOverlappingCourtyards, 0, wxTOP|wxBOTTOM|wxRIGHT, 5 );
-	
-	
+
+
+	sbFeatureRules->Add( 0, 0, 0, wxBOTTOM|wxEXPAND|wxTOP, 5 );
+
+	wxFlexGridSizer* fgSizer2;
+	fgSizer2 = new wxFlexGridSizer( 0, 3, 3, 0 );
+	fgSizer2->AddGrowableCol( 1 );
+	fgSizer2->SetFlexibleDirection( wxBOTH );
+	fgSizer2->SetNonFlexibleGrowMode( wxFLEX_GROWMODE_SPECIFIED );
+
+	m_maxErrorTitle = new wxStaticText( this, wxID_ANY, _("Maximum Error Dist:"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_maxErrorTitle->Wrap( -1 );
+	fgSizer2->Add( m_maxErrorTitle, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT|wxBOTTOM, 5 );
+
+	m_maxErrorCtrl = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0 );
+	fgSizer2->Add( m_maxErrorCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL|wxEXPAND|wxLEFT|wxRIGHT, 5 );
+
+	m_maxErrorUnits = new wxStaticText( this, wxID_ANY, _("mm"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_maxErrorUnits->Wrap( -1 );
+	fgSizer2->Add( m_maxErrorUnits, 0, wxALL, 5 );
+
+
+	sbFeatureRules->Add( fgSizer2, 1, wxEXPAND, 5 );
+
+
 	bMainSizer->Add( sbFeatureRules, 0, wxEXPAND|wxRIGHT|wxLEFT, 5 );
-	
-	
+
+
 	bMainSizer->Add( 0, 0, 0, wxEXPAND|wxRIGHT|wxLEFT, 25 );
-	
+
 	wxBoxSizer* sbFeatureConstraints;
 	sbFeatureConstraints = new wxBoxSizer( wxVERTICAL );
-	
+
 	wxFlexGridSizer* fgFeatureConstraints;
 	fgFeatureConstraints = new wxFlexGridSizer( 0, 3, 3, 0 );
 	fgFeatureConstraints->AddGrowableCol( 1 );
 	fgFeatureConstraints->SetFlexibleDirection( wxBOTH );
 	fgFeatureConstraints->SetNonFlexibleGrowMode( wxFLEX_GROWMODE_SPECIFIED );
-	
+
 	m_TrackMinWidthTitle = new wxStaticText( this, wxID_ANY, _("Minimum track width:"), wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT );
 	m_TrackMinWidthTitle->Wrap( -1 );
 	fgFeatureConstraints->Add( m_TrackMinWidthTitle, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT|wxBOTTOM, 5 );
-	
+
 	m_TrackMinWidthCtrl = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0 );
 	m_TrackMinWidthCtrl->SetMinSize( wxSize( 120,-1 ) );
-	
+
 	fgFeatureConstraints->Add( m_TrackMinWidthCtrl, 0, wxALIGN_LEFT|wxALIGN_TOP|wxEXPAND|wxBOTTOM|wxRIGHT|wxLEFT, 5 );
-	
+
 	m_TrackMinWidthUnits = new wxStaticText( this, wxID_ANY, _("mm"), wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT );
 	m_TrackMinWidthUnits->Wrap( -1 );
 	fgFeatureConstraints->Add( m_TrackMinWidthUnits, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT|wxBOTTOM, 5 );
-	
-	
+
+
 	fgFeatureConstraints->Add( 0, 0, 1, wxEXPAND|wxTOP|wxRIGHT|wxLEFT, 10 );
-	
-	
+
+
 	fgFeatureConstraints->Add( 0, 0, 1, wxEXPAND, 5 );
-	
-	
+
+
 	fgFeatureConstraints->Add( 0, 0, 1, wxALL|wxEXPAND, 5 );
-	
+
 	m_ViaMinTitle = new wxStaticText( this, wxID_ANY, _("Minimum via diameter:"), wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT );
 	m_ViaMinTitle->Wrap( -1 );
 	fgFeatureConstraints->Add( m_ViaMinTitle, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT, 5 );
-	
+
 	m_SetViasMinSizeCtrl = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0 );
 	fgFeatureConstraints->Add( m_SetViasMinSizeCtrl, 0, wxEXPAND|wxRIGHT|wxLEFT, 5 );
-	
+
 	m_ViaMinUnits = new wxStaticText( this, wxID_ANY, _("mm"), wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT );
 	m_ViaMinUnits->Wrap( -1 );
 	fgFeatureConstraints->Add( m_ViaMinUnits, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT, 5 );
-	
+
 	m_ViaMinDrillTitle = new wxStaticText( this, wxID_ANY, _("Minimum via drill:"), wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT );
 	m_ViaMinDrillTitle->Wrap( -1 );
 	fgFeatureConstraints->Add( m_ViaMinDrillTitle, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT, 5 );
-	
+
 	m_SetViasMinDrillCtrl = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0 );
 	fgFeatureConstraints->Add( m_SetViasMinDrillCtrl, 0, wxEXPAND|wxBOTTOM|wxRIGHT|wxLEFT, 5 );
-	
+
 	m_ViaMinDrillUnits = new wxStaticText( this, wxID_ANY, _("mm"), wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT );
 	m_ViaMinDrillUnits->Wrap( -1 );
 	fgFeatureConstraints->Add( m_ViaMinDrillUnits, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT, 5 );
-	
-	
+
+
 	fgFeatureConstraints->Add( 0, 0, 1, wxEXPAND|wxTOP, 5 );
-	
-	
+
+
 	fgFeatureConstraints->Add( 0, 0, 1, wxEXPAND|wxTOP, 5 );
-	
-	
+
+
 	fgFeatureConstraints->Add( 0, 0, 1, wxEXPAND|wxTOP, 5 );
-	
+
 	m_uviaMinSizeLabel = new wxStaticText( this, wxID_ANY, _("Minimum uVia diameter:"), wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT );
 	m_uviaMinSizeLabel->Wrap( -1 );
 	fgFeatureConstraints->Add( m_uviaMinSizeLabel, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT, 5 );
-	
+
 	m_uviaMinSizeCtrl = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0 );
 	fgFeatureConstraints->Add( m_uviaMinSizeCtrl, 0, wxEXPAND|wxTOP|wxRIGHT|wxLEFT, 5 );
-	
+
 	m_uviaMinSizeUnits = new wxStaticText( this, wxID_ANY, _("mm"), wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT );
 	m_uviaMinSizeUnits->Wrap( -1 );
 	fgFeatureConstraints->Add( m_uviaMinSizeUnits, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT, 5 );
-	
+
 	m_uviaMinDrillLabel = new wxStaticText( this, wxID_ANY, _("Minimum uVia drill:"), wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT );
 	m_uviaMinDrillLabel->Wrap( -1 );
 	fgFeatureConstraints->Add( m_uviaMinDrillLabel, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT, 5 );
-	
+
 	m_uviaMinDrillCtrl = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0 );
 	fgFeatureConstraints->Add( m_uviaMinDrillCtrl, 0, wxEXPAND|wxRIGHT|wxLEFT, 5 );
-	
+
 	m_uviaMinDrillUnits = new wxStaticText( this, wxID_ANY, _("mm"), wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT );
 	m_uviaMinDrillUnits->Wrap( -1 );
 	fgFeatureConstraints->Add( m_uviaMinDrillUnits, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT, 5 );
-	
-	
+
+
 	fgFeatureConstraints->Add( 0, 0, 1, wxEXPAND|wxTOP|wxRIGHT|wxLEFT, 10 );
-	
-	
+
+
 	fgFeatureConstraints->Add( 0, 0, 1, wxEXPAND, 5 );
-	
-	
+
+
 	fgFeatureConstraints->Add( 0, 0, 1, wxEXPAND, 5 );
-	
+
 	m_HoleToHoleTitle = new wxStaticText( this, wxID_ANY, _("Minimum hole to hole:"), wxDefaultPosition, wxDefaultSize, 0 );
 	m_HoleToHoleTitle->Wrap( -1 );
 	fgFeatureConstraints->Add( m_HoleToHoleTitle, 0, wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxRIGHT|wxTOP, 5 );
-	
+
 	m_SetHoleToHoleCtrl = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0 );
 	fgFeatureConstraints->Add( m_SetHoleToHoleCtrl, 0, wxEXPAND|wxALL, 5 );
-	
+
 	m_HoleToHoleUnits = new wxStaticText( this, wxID_ANY, _("mm"), wxDefaultPosition, wxDefaultSize, 0 );
 	m_HoleToHoleUnits->Wrap( -1 );
 	fgFeatureConstraints->Add( m_HoleToHoleUnits, 0, wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxRIGHT|wxTOP, 5 );
-	
-	
+
+
 	fgFeatureConstraints->Add( 0, 0, 1, wxEXPAND, 5 );
-	
-	
+
+
 	fgFeatureConstraints->Add( 0, 0, 1, wxEXPAND, 5 );
-	
-	
+
+
 	fgFeatureConstraints->Add( 0, 0, 1, wxEXPAND, 5 );
-	
+
 	m_EdgeClearanceLabel = new wxStaticText( this, wxID_ANY, _("Copper edge clearance:"), wxDefaultPosition, wxDefaultSize, 0 );
 	m_EdgeClearanceLabel->Wrap( -1 );
 	fgFeatureConstraints->Add( m_EdgeClearanceLabel, 0, wxTOP|wxBOTTOM|wxRIGHT, 5 );
-	
+
 	m_EdgeClearanceCtrl = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0 );
 	fgFeatureConstraints->Add( m_EdgeClearanceCtrl, 0, wxALL|wxEXPAND, 5 );
-	
+
 	m_EdgeClearanceUnits = new wxStaticText( this, wxID_ANY, _("mm"), wxDefaultPosition, wxDefaultSize, 0 );
 	m_EdgeClearanceUnits->Wrap( -1 );
 	fgFeatureConstraints->Add( m_EdgeClearanceUnits, 0, wxTOP|wxBOTTOM|wxRIGHT, 5 );
-	
-	
+
+
 	sbFeatureConstraints->Add( fgFeatureConstraints, 1, wxEXPAND|wxTOP|wxLEFT, 5 );
-	
-	
+
+
 	bMainSizer->Add( sbFeatureConstraints, 0, wxEXPAND|wxRIGHT|wxLEFT, 5 );
-	
-	
+
+
 	this->SetSizer( bMainSizer );
 	this->Layout();
 	bMainSizer->Fit( this );
diff --git a/pcbnew/dialogs/panel_setup_feature_constraints_base.fbp b/pcbnew/dialogs/panel_setup_feature_constraints_base.fbp
index fe2bc0f2c5..90be62dc97 100644
--- a/pcbnew/dialogs/panel_setup_feature_constraints_base.fbp
+++ b/pcbnew/dialogs/panel_setup_feature_constraints_base.fbp
@@ -1,6 +1,6 @@
 <?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="code_generation">C++</property>
@@ -14,6 +14,8 @@
         <property name="file">panel_setup_feature_constraints_base</property>
         <property name="first_id">1000</property>
         <property name="help_provider">none</property>
+        <property name="image_path_wrapper_function_name"></property>
+        <property name="indent_with_spaces"></property>
         <property name="internationalize">1</property>
         <property name="name">panel_setup_feature_constraints_base</property>
         <property name="namespace"></property>
@@ -24,6 +26,7 @@
         <property name="skip_php_events">1</property>
         <property name="skip_python_events">1</property>
         <property name="ui_table">UI</property>
+        <property name="use_array_enum">0</property>
         <property name="use_enum">1</property>
         <property name="use_microsoft_bom">0</property>
         <object class="Panel" expanded="1">
@@ -48,36 +51,6 @@
             <property name="window_extra_style"></property>
             <property name="window_name"></property>
             <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>
             <object class="wxBoxSizer" expanded="1">
                 <property name="minimum_size"></property>
                 <property name="name">bMainSizer</property>
@@ -154,30 +127,6 @@
                                 <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>
                             </object>
                         </object>
                         <object class="sizeritem" expanded="0">
@@ -242,30 +191,6 @@
                                 <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>
                             </object>
                         </object>
                         <object class="sizeritem" expanded="1">
@@ -340,30 +265,6 @@
                                 <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>
                             </object>
                         </object>
                         <object class="sizeritem" expanded="1">
@@ -428,30 +329,220 @@
                                 <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>
+                            </object>
+                        </object>
+                        <object class="sizeritem" expanded="1">
+                            <property name="border">5</property>
+                            <property name="flag">wxBOTTOM|wxEXPAND|wxTOP</property>
+                            <property name="proportion">0</property>
+                            <object class="spacer" expanded="1">
+                                <property name="height">0</property>
+                                <property name="permission">protected</property>
+                                <property name="width">0</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">3</property>
+                                <property name="flexible_direction">wxBOTH</property>
+                                <property name="growablecols">1</property>
+                                <property name="growablerows"></property>
+                                <property name="hgap">0</property>
+                                <property name="minimum_size"></property>
+                                <property name="name">fgSizer2</property>
+                                <property name="non_flexible_grow_mode">wxFLEX_GROWMODE_SPECIFIED</property>
+                                <property name="permission">none</property>
+                                <property name="rows">0</property>
+                                <property name="vgap">3</property>
+                                <object class="sizeritem" expanded="1">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT|wxBOTTOM</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">Maximum Error Dist:</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_maxErrorTitle</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">wxALIGN_CENTER_VERTICAL|wxALL|wxEXPAND|wxLEFT|wxRIGHT</property>
+                                    <property name="proportion">0</property>
+                                    <object class="wxTextCtrl" 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="maxlength"></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_maxErrorCtrl</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="validator_data_type">wxString</property>
+                                        <property name="validator_style">wxFILTER_NUMERIC</property>
+                                        <property name="validator_type">wxTextValidator</property>
+                                        <property name="validator_variable"></property>
+                                        <property name="value"></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">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">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_maxErrorUnits</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>
                         </object>
                     </object>
@@ -524,6 +615,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">Minimum track width:</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -549,29 +641,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -636,33 +705,6 @@
                                         <property name="window_extra_style"></property>
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
-                                        <event name="OnChar"></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="OnText"></event>
-                                        <event name="OnTextEnter"></event>
-                                        <event name="OnTextMaxLen"></event>
-                                        <event name="OnTextURL"></event>
-                                        <event name="OnUpdateUI"></event>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -698,6 +740,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">mm</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -723,29 +766,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -811,6 +831,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">Minimum via diameter:</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -836,29 +857,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -923,33 +921,6 @@
                                         <property name="window_extra_style"></property>
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
-                                        <event name="OnChar"></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="OnText"></event>
-                                        <event name="OnTextEnter"></event>
-                                        <event name="OnTextMaxLen"></event>
-                                        <event name="OnTextURL"></event>
-                                        <event name="OnUpdateUI"></event>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -985,6 +956,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">mm</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -1010,29 +982,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -1068,6 +1017,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">Minimum via drill:</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -1093,29 +1043,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -1180,33 +1107,6 @@
                                         <property name="window_extra_style"></property>
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
-                                        <event name="OnChar"></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="OnText"></event>
-                                        <event name="OnTextEnter"></event>
-                                        <event name="OnTextMaxLen"></event>
-                                        <event name="OnTextURL"></event>
-                                        <event name="OnUpdateUI"></event>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -1242,6 +1142,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">mm</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -1267,29 +1168,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -1355,6 +1233,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">Minimum uVia diameter:</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -1380,29 +1259,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -1467,33 +1323,6 @@
                                         <property name="window_extra_style"></property>
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
-                                        <event name="OnChar"></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="OnText"></event>
-                                        <event name="OnTextEnter"></event>
-                                        <event name="OnTextMaxLen"></event>
-                                        <event name="OnTextURL"></event>
-                                        <event name="OnUpdateUI"></event>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -1529,6 +1358,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">mm</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -1554,29 +1384,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -1612,6 +1419,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">Minimum uVia drill:</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -1637,29 +1445,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -1724,33 +1509,6 @@
                                         <property name="window_extra_style"></property>
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
-                                        <event name="OnChar"></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="OnText"></event>
-                                        <event name="OnTextEnter"></event>
-                                        <event name="OnTextMaxLen"></event>
-                                        <event name="OnTextURL"></event>
-                                        <event name="OnUpdateUI"></event>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -1786,6 +1544,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">mm</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -1811,29 +1570,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -1899,6 +1635,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">Minimum hole to hole:</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -1924,29 +1661,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -2011,33 +1725,6 @@
                                         <property name="window_extra_style"></property>
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
-                                        <event name="OnChar"></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="OnText"></event>
-                                        <event name="OnTextEnter"></event>
-                                        <event name="OnTextMaxLen"></event>
-                                        <event name="OnTextURL"></event>
-                                        <event name="OnUpdateUI"></event>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="0">
@@ -2073,6 +1760,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">mm</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -2098,29 +1786,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="1">
@@ -2186,6 +1851,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">Copper edge clearance:</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -2211,29 +1877,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="1">
@@ -2298,33 +1941,6 @@
                                         <property name="window_extra_style"></property>
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
-                                        <event name="OnChar"></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="OnText"></event>
-                                        <event name="OnTextEnter"></event>
-                                        <event name="OnTextMaxLen"></event>
-                                        <event name="OnTextURL"></event>
-                                        <event name="OnUpdateUI"></event>
                                     </object>
                                 </object>
                                 <object class="sizeritem" expanded="1">
@@ -2360,6 +1976,7 @@
                                         <property name="hidden">0</property>
                                         <property name="id">wxID_ANY</property>
                                         <property name="label">mm</property>
+                                        <property name="markup">0</property>
                                         <property name="max_size"></property>
                                         <property name="maximize_button">0</property>
                                         <property name="maximum_size"></property>
@@ -2385,29 +2002,6 @@
                                         <property name="window_name"></property>
                                         <property name="window_style"></property>
                                         <property name="wrap">-1</property>
-                                        <event name="OnChar"></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>
                                     </object>
                                 </object>
                             </object>
diff --git a/pcbnew/dialogs/panel_setup_feature_constraints_base.h b/pcbnew/dialogs/panel_setup_feature_constraints_base.h
index ea21254f1e..8d4999fb52 100644
--- a/pcbnew/dialogs/panel_setup_feature_constraints_base.h
+++ b/pcbnew/dialogs/panel_setup_feature_constraints_base.h
@@ -1,12 +1,11 @@
 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Dec 30 2017)
+// C++ code generated with wxFormBuilder (version Apr 23 2019)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO *NOT* EDIT THIS FILE!
 ///////////////////////////////////////////////////////////////////////////
 
-#ifndef __PANEL_SETUP_FEATURE_CONSTRAINTS_BASE_H__
-#define __PANEL_SETUP_FEATURE_CONSTRAINTS_BASE_H__
+#pragma once
 
 #include <wx/artprov.h>
 #include <wx/xrc/xmlres.h>
@@ -17,10 +16,10 @@
 #include <wx/font.h>
 #include <wx/colour.h>
 #include <wx/settings.h>
-#include <wx/sizer.h>
 #include <wx/stattext.h>
 #include <wx/textctrl.h>
 #include <wx/valtext.h>
+#include <wx/sizer.h>
 #include <wx/panel.h>
 
 ///////////////////////////////////////////////////////////////////////////
@@ -28,15 +27,18 @@
 ///////////////////////////////////////////////////////////////////////////////
 /// Class PANEL_SETUP_FEATURE_CONSTRAINTS_BASE
 ///////////////////////////////////////////////////////////////////////////////
-class PANEL_SETUP_FEATURE_CONSTRAINTS_BASE : public wxPanel 
+class PANEL_SETUP_FEATURE_CONSTRAINTS_BASE : public wxPanel
 {
 	private:
-	
+
 	protected:
 		wxCheckBox* m_OptAllowBlindBuriedVias;
 		wxCheckBox* m_OptAllowMicroVias;
 		wxCheckBox* m_OptRequireCourtyards;
 		wxCheckBox* m_OptOverlappingCourtyards;
+		wxStaticText* m_maxErrorTitle;
+		wxTextCtrl* m_maxErrorCtrl;
+		wxStaticText* m_maxErrorUnits;
 		wxStaticText* m_TrackMinWidthTitle;
 		wxTextCtrl* m_TrackMinWidthCtrl;
 		wxStaticText* m_TrackMinWidthUnits;
@@ -58,12 +60,11 @@ class PANEL_SETUP_FEATURE_CONSTRAINTS_BASE : public wxPanel
 		wxStaticText* m_EdgeClearanceLabel;
 		wxTextCtrl* m_EdgeClearanceCtrl;
 		wxStaticText* m_EdgeClearanceUnits;
-	
+
 	public:
-		
-		PANEL_SETUP_FEATURE_CONSTRAINTS_BASE( wxWindow* parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( -1,-1 ), long style = wxTAB_TRAVERSAL ); 
+
+		PANEL_SETUP_FEATURE_CONSTRAINTS_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_SETUP_FEATURE_CONSTRAINTS_BASE();
-	
+
 };
 
-#endif //__PANEL_SETUP_FEATURE_CONSTRAINTS_BASE_H__
diff --git a/pcbnew/drc_clearance_test_functions.cpp b/pcbnew/drc_clearance_test_functions.cpp
index 4a1f88c707..b6d08aec5f 100644
--- a/pcbnew/drc_clearance_test_functions.cpp
+++ b/pcbnew/drc_clearance_test_functions.cpp
@@ -982,6 +982,12 @@ bool DRC::checkClearancePadToPad( D_PAD* aRefPad, D_PAD* aPad )
         }
         else if( aRefPad->GetShape() == PAD_SHAPE_CHAMFERED_RECT )
         {
+            auto board = aRefPad->GetBoard();
+            int maxError = ARC_HIGH_DEF;
+
+            if( board )
+                maxError = board->GetDesignSettings().m_MaxError;
+
             // The reference pad can be rotated. calculate the rotated
             // coordinates ( note, the ref pad position is the origin of
             // coordinates for this drc test)
@@ -989,7 +995,7 @@ bool DRC::checkClearancePadToPad( D_PAD* aRefPad, D_PAD* aPad )
             TransformRoundChamferedRectToPolygon( polysetref, wxPoint( 0, 0 ), aRefPad->GetSize(),
                                              aRefPad->GetOrientation(),
                                              padRadius, aRefPad->GetChamferRectRatio(),
-                                             aRefPad->GetChamferPositions(), ARC_HIGH_DEF );
+                                             aRefPad->GetChamferPositions(), maxError );
         }
         else if( aRefPad->GetShape() == PAD_SHAPE_CUSTOM )
         {
@@ -1024,6 +1030,12 @@ bool DRC::checkClearancePadToPad( D_PAD* aRefPad, D_PAD* aPad )
             }
             else if( aPad->GetShape() == PAD_SHAPE_CHAMFERED_RECT )
             {
+                auto board = aRefPad->GetBoard();
+                int maxError = ARC_HIGH_DEF;
+
+                if( board )
+                    maxError = board->GetDesignSettings().m_MaxError;
+
                 // The reference pad can be rotated. calculate the rotated
                 // coordinates ( note, the ref pad position is the origin of
                 // coordinates for this drc test)
@@ -1031,7 +1043,7 @@ bool DRC::checkClearancePadToPad( D_PAD* aRefPad, D_PAD* aPad )
                 TransformRoundChamferedRectToPolygon( polysetcompare, relativePadPos, aPad->GetSize(),
                                                  aPad->GetOrientation(),
                                                  padRadius, aPad->GetChamferRectRatio(),
-                                                 aPad->GetChamferPositions(), ARC_HIGH_DEF );
+                                                 aPad->GetChamferPositions(), maxError );
             }
             else if( aPad->GetShape() == PAD_SHAPE_CUSTOM )
             {
@@ -1413,6 +1425,12 @@ bool DRC::checkClearanceSegmToPad( const D_PAD* aPad, int aSegmentWidth, int aMi
 
     case PAD_SHAPE_CHAMFERED_RECT:
         {
+        auto board = aPad->GetBoard();
+        int maxError = ARC_HIGH_DEF;
+
+        if( board )
+            maxError = board->GetDesignSettings().m_MaxError;
+
         SHAPE_POLY_SET polyset;
         // The pad can be rotated. calculate the coordinates
         // relatives to the segment being tested
@@ -1422,7 +1440,7 @@ bool DRC::checkClearanceSegmToPad( const D_PAD* aPad, int aSegmentWidth, int aMi
         TransformRoundChamferedRectToPolygon( polyset, m_padToTestPos, aPad->GetSize(),
                                          aPad->GetOrientation(),
                                          padRadius, aPad->GetChamferRectRatio(),
-                                         aPad->GetChamferPositions(), ARC_HIGH_DEF );
+                                         aPad->GetChamferPositions(), maxError );
         // Rotate also coordinates by m_segmAngle, because the segment orient
         // is m_segmAngle.
         // we are using a horizontal segment for test, because we know here
diff --git a/pcbnew/eagle_plugin.cpp b/pcbnew/eagle_plugin.cpp
index 8c4e3ef27d..71b8dbd616 100644
--- a/pcbnew/eagle_plugin.cpp
+++ b/pcbnew/eagle_plugin.cpp
@@ -1206,9 +1206,6 @@ ZONE_CONTAINER* EAGLE_PLUGIN::loadPolygon( wxXmlNode* aPolyNode )
     if( p.spacing )
         zone->SetHatch( ZONE_CONTAINER::DIAGONAL_EDGE, zone->GetDefaultHatchPitch(), true );
 
-    // clearances, etc.
-    zone->SetArcSegmentCount( ARC_APPROX_SEGMENTS_COUNT_HIGH_DEF );
-
     // We divide the thickness by half because we are tracing _inside_ the zone outline
     // This means the radius of curvature will be twice the size for an equivalent EAGLE zone
     zone->SetMinThickness(
diff --git a/pcbnew/kicad_plugin.cpp b/pcbnew/kicad_plugin.cpp
index 0f66befd4c..1930c4680b 100644
--- a/pcbnew/kicad_plugin.cpp
+++ b/pcbnew/kicad_plugin.cpp
@@ -526,6 +526,9 @@ void PCB_IO::formatSetup( BOARD* aBoard, int aNestLevel ) const
     m_out->Print( aNestLevel+1, "(uvia_min_drill %s)\n",
                   FormatInternalUnits( dsnSettings.m_MicroViasMinDrill ).c_str() );
 
+    m_out->Print( aNestLevel+1, "(max_error %s)\n",
+                  FormatInternalUnits( dsnSettings.m_MaxError ).c_str() );
+
     // 6.0 TODO: are we going to update the tokens we save these under?
     // 6.0 TODO: need to save the LAYER_CLASS_OTHERS stuff
     // 6.0 TODO: need to save the TextItalic and TextUpright settings
diff --git a/pcbnew/pad_custom_shape_functions.cpp b/pcbnew/pad_custom_shape_functions.cpp
index 9f2526278b..9d7a0dc681 100644
--- a/pcbnew/pad_custom_shape_functions.cpp
+++ b/pcbnew/pad_custom_shape_functions.cpp
@@ -32,14 +32,15 @@
 
 #include <pcbnew.h>
 
-#include <class_pad.h>
+#include <bezier_curves.h>
+#include <class_board.h>
 #include <class_drawsegment.h>
 #include <class_edge_mod.h>
+#include <class_pad.h>
 #include <convert_basic_shapes_to_polygon.h>
-#include <geometry/shape_rect.h>
 #include <geometry/convex_hull.h>
 #include <geometry/geometry_utils.h>
-#include <bezier_curves.h>
+#include <geometry/shape_rect.h>
 
 
 void PAD_CS_PRIMITIVE::ExportTo( DRAWSEGMENT* aTarget )
@@ -305,6 +306,12 @@ bool D_PAD::buildCustomPadPolygon( SHAPE_POLY_SET* aMergedPolygon, int aError )
  */
 bool D_PAD::MergePrimitivesAsPolygon( SHAPE_POLY_SET* aMergedPolygon )
 {
+    auto board = GetBoard();
+    int maxError = ARC_HIGH_DEF;
+
+    if( board )
+        maxError = board->GetDesignSettings().m_MaxError;
+
     // if aMergedPolygon == NULL, use m_customShapeAsPolygon as target
 
     if( !aMergedPolygon )
@@ -318,7 +325,7 @@ bool D_PAD::MergePrimitivesAsPolygon( SHAPE_POLY_SET* aMergedPolygon )
     {
     default:
     case PAD_SHAPE_CIRCLE:
-        TransformCircleToPolygon( *aMergedPolygon, wxPoint( 0, 0 ), GetSize().x / 2, ARC_HIGH_DEF );
+        TransformCircleToPolygon( *aMergedPolygon, wxPoint( 0, 0 ), GetSize().x / 2, maxError );
         break;
 
     case PAD_SHAPE_RECT:
@@ -330,7 +337,7 @@ bool D_PAD::MergePrimitivesAsPolygon( SHAPE_POLY_SET* aMergedPolygon )
     }
     }
 
-    if( !buildCustomPadPolygon( aMergedPolygon, ARC_HIGH_DEF ) )
+    if( !buildCustomPadPolygon( aMergedPolygon, maxError ) )
         return false;
 
     m_boundingRadius = -1;  // The current bouding radius is no more valid.
diff --git a/pcbnew/pcb_painter.cpp b/pcbnew/pcb_painter.cpp
index aa68704318..0b1201ef4d 100644
--- a/pcbnew/pcb_painter.cpp
+++ b/pcbnew/pcb_painter.cpp
@@ -825,10 +825,15 @@ void PCB_PAINTER::draw( const D_PAD* aPad, int aLayer )
         wxSize prsize( size.x * 2, size.y * 2 );    // size is the half pad area size)
         const int corner_radius = aPad->GetRoundRectCornerRadius( prsize );
         bool doChamfer = shape == PAD_SHAPE_CHAMFERED_RECT;
+        auto board = aPad->GetBoard();
+        int maxError = ARC_HIGH_DEF;
+
+        if( board )
+            maxError = board->GetDesignSettings().m_MaxError;
 
         TransformRoundChamferedRectToPolygon( polySet, wxPoint( 0, 0 ), prsize,
                 0.0, corner_radius, aPad->GetChamferRectRatio(),
-                doChamfer ? aPad->GetChamferPositions() : 0, ARC_HIGH_DEF );
+                doChamfer ? aPad->GetChamferPositions() : 0, maxError );
         m_gal->DrawPolygon( polySet );
         break;
     }
@@ -843,12 +848,18 @@ void PCB_PAINTER::draw( const D_PAD* aPad, int aLayer )
         // for solder paste).
         if( custom_margin )
         {
+            auto board = aPad->GetBoard();
+            int maxError = ARC_HIGH_DEF;
+
+            if( board )
+                maxError = board->GetDesignSettings().m_MaxError;
+
             SHAPE_POLY_SET outline;
             outline.Append( aPad->GetCustomShapeAsPolygon() );
             // outline polygon can have holes linked to the main outline.
             // So use InflateWithLinkedHoles(), not Inflate() that can create
             // bad shapes if custom_margin is < 0
-            int numSegs = std::max( GetArcToSegmentCount( custom_margin, ARC_HIGH_DEF, 360.0 ), 6 );
+            int numSegs = std::max( GetArcToSegmentCount( custom_margin, maxError, 360.0 ), 6 );
             outline.InflateWithLinkedHoles( custom_margin, numSegs, SHAPE_POLY_SET::PM_FAST );
             m_gal->DrawPolygon( outline );
         }
diff --git a/pcbnew/pcb_parser.cpp b/pcbnew/pcb_parser.cpp
index 2b22c1125f..58af3fb149 100644
--- a/pcbnew/pcb_parser.cpp
+++ b/pcbnew/pcb_parser.cpp
@@ -1380,6 +1380,11 @@ void PCB_PARSER::parseSetup()
             NeedRIGHT();
             break;
 
+        case T_max_error:
+            designSettings.m_MaxError = parseBoardUnits( T_max_error );
+            NeedRIGHT();
+            break;
+
         case T_pcbplotparams:
             {
                 PCB_PLOT_PARAMS plotParams;
diff --git a/pcbnew/plot_board_layers.cpp b/pcbnew/plot_board_layers.cpp
index 78aba8dea8..52aecf296c 100644
--- a/pcbnew/plot_board_layers.cpp
+++ b/pcbnew/plot_board_layers.cpp
@@ -454,7 +454,9 @@ void PlotStandardLayer( BOARD *aBoard, PLOTTER* aPlotter,
                 // shape polygon can have holes linked to the main outline.
                 // So use InflateWithLinkedHoles(), not Inflate() that can create
                 // bad shapes if margin.x is < 0
-                int numSegs = std::max( GetArcToSegmentCount( margin.x, ARC_HIGH_DEF, 360.0 ), 6 );
+                int numSegs = std::max(
+                        GetArcToSegmentCount( margin.x, aBoard->GetDesignSettings().m_MaxError,
+                                360.0 ), 6 );
                 shape.InflateWithLinkedHoles( margin.x, numSegs, SHAPE_POLY_SET::PM_FAST );
                 dummy.DeletePrimitivesList();
                 dummy.AddPrimitive( shape, 0 );
@@ -869,8 +871,9 @@ void PlotSolderMaskLayer( BOARD *aBoard, PLOTTER* aPlotter,
     // is only a very small calculation time for these calculations)
     ZONE_CONTAINER zone( aBoard );
     zone.SetMinThickness( 0 );      // trace polygons only
-    zone.SetLayer ( layer );
-    int numSegs = std::max( GetArcToSegmentCount( inflate, ARC_HIGH_DEF, 360.0 ), 6 );
+    zone.SetLayer( layer );
+    int numSegs = std::max(
+            GetArcToSegmentCount( inflate, aBoard->GetDesignSettings().m_MaxError, 360.0 ), 6 );
 
     areas.BooleanAdd( initialPolys, SHAPE_POLY_SET::PM_FAST );
     areas.Inflate( -inflate, numSegs );
diff --git a/pcbnew/plot_brditems_plotter.cpp b/pcbnew/plot_brditems_plotter.cpp
index 96056b2dc4..0bcc2da524 100644
--- a/pcbnew/plot_brditems_plotter.cpp
+++ b/pcbnew/plot_brditems_plotter.cpp
@@ -187,7 +187,7 @@ void BRDITEMS_PLOTTER::PlotPad( D_PAD* aPad, COLOR4D aColor, EDA_DRAW_MODE_T aPl
         const int corner_radius = aPad->GetRoundRectCornerRadius( aPad->GetSize() );
         TransformRoundChamferedRectToPolygon( polygons, shape_pos, aPad->GetSize(),
                 aPad->GetOrientation(), corner_radius, aPad->GetChamferRectRatio(),
-                aPad->GetChamferPositions(), ARC_HIGH_DEF );
+                aPad->GetChamferPositions(), m_board->GetDesignSettings().m_MaxError );
 
         if( polygons.OutlineCount() == 0 )
             break;
diff --git a/pcbnew/specctra_import_export/specctra_export.cpp b/pcbnew/specctra_import_export/specctra_export.cpp
index 4f809502a5..1a44ff8057 100644
--- a/pcbnew/specctra_import_export/specctra_export.cpp
+++ b/pcbnew/specctra_import_export/specctra_export.cpp
@@ -517,7 +517,7 @@ PADSTACK* SPECCTRA_DB::makePADSTACK( BOARD* aBoard, D_PAD* aPad )
                                          0, rradius,
                                          aPad->GetChamferRectRatio(),
                                          doChamfer ? aPad->GetChamferPositions() : 0,
-                                         ARC_HIGH_DEF );
+                                         aBoard->GetDesignSettings().m_MaxError );
             SHAPE_LINE_CHAIN& polygonal_shape = cornerBuffer.Outline( 0 );
 
             for( int ndx=0; ndx < reportedLayers; ++ndx )
diff --git a/pcbnew/zone_filler.cpp b/pcbnew/zone_filler.cpp
index d947c47e41..2e3a842c5c 100644
--- a/pcbnew/zone_filler.cpp
+++ b/pcbnew/zone_filler.cpp
@@ -425,8 +425,9 @@ void ZONE_FILLER::buildZoneFeatureHoleList( const ZONE_CONTAINER* aZone,
                         // the pad shape in zone can be its convex hull or
                         // the shape itself
                         SHAPE_POLY_SET outline( pad->GetCustomShapeAsPolygon() );
-                        int            numSegs = std::max(
-                                GetArcToSegmentCount( clearance, ARC_HIGH_DEF, 360.0 ), 6 );
+                        int numSegs = std::max(
+                                GetArcToSegmentCount( clearance,
+                                        m_board->GetDesignSettings().m_MaxError, 360.0 ), 6 );
                         double correction = GetCircletoPolyCorrectionFactor( numSegs );
                         outline.Inflate( KiROUND( clearance * correction ), numSegs );
                         pad->CustomShapeAsPolygonToBoardPosition(
@@ -474,8 +475,9 @@ void ZONE_FILLER::buildZoneFeatureHoleList( const ZONE_CONTAINER* aZone,
                     {
                         // the pad shape in zone can be its convex hull or
                         // the shape itself
-                        int numSegs =
-                                std::max( GetArcToSegmentCount( gap, ARC_HIGH_DEF, 360.0 ), 6 );
+                        int numSegs = std::max(
+                                GetArcToSegmentCount( gap, m_board->GetDesignSettings().m_MaxError,
+                                        360.0 ), 6 );
                         double         correction = GetCircletoPolyCorrectionFactor( numSegs );
                         SHAPE_POLY_SET outline( pad->GetCustomShapeAsPolygon() );
                         outline.Inflate( KiROUND( gap * correction ), numSegs );
@@ -547,7 +549,8 @@ void ZONE_FILLER::buildZoneFeatureHoleList( const ZONE_CONTAINER* aZone,
         {
         case PCB_LINE_T:
             static_cast<DRAWSEGMENT*>( aItem )->TransformShapeWithClearanceToPolygon(
-                    aFeatures, zclearance, ARC_HIGH_DEF, ignoreLineWidth );
+                    aFeatures, zclearance, m_board->GetDesignSettings().m_MaxError,
+                    ignoreLineWidth );
             break;
 
         case PCB_TEXT_T:
@@ -557,7 +560,8 @@ void ZONE_FILLER::buildZoneFeatureHoleList( const ZONE_CONTAINER* aZone,
 
         case PCB_MODULE_EDGE_T:
             static_cast<EDGE_MODULE*>( aItem )->TransformShapeWithClearanceToPolygon(
-                    aFeatures, zclearance, ARC_HIGH_DEF, ignoreLineWidth );
+                    aFeatures, zclearance, m_board->GetDesignSettings().m_MaxError,
+                    ignoreLineWidth );
             break;
 
         case PCB_MODULE_TEXT_T:
@@ -667,7 +671,7 @@ void ZONE_FILLER::buildZoneFeatureHoleList( const ZONE_CONTAINER* aZone,
             {
                 CreateThermalReliefPadPolygon( aFeatures, *pad, thermalGap,
                         aZone->GetThermalReliefCopperBridge( pad ), aZone->GetMinThickness(),
-                        ARC_HIGH_DEF, s_thermalRot );
+                        m_board->GetDesignSettings().m_MaxError, s_thermalRot );
             }
         }
     }
@@ -717,8 +721,9 @@ void ZONE_FILLER::computeRawFilledAreas( const ZONE_CONTAINER* aZone,
 
     SHAPE_POLY_SET solidAreas = aSmoothedOutline;
 
-    int numSegs =
-            std::max( GetArcToSegmentCount( outline_half_thickness, ARC_HIGH_DEF, 360.0 ), 6 );
+    int numSegs = std::max(
+            GetArcToSegmentCount( outline_half_thickness, m_board->GetDesignSettings().m_MaxError,
+                    360.0 ), 6 );
     double correction = GetCircletoPolyCorrectionFactor( numSegs );
 
     solidAreas.Inflate( -outline_half_thickness, numSegs );
@@ -845,7 +850,8 @@ bool ZONE_FILLER::fillSingleZone( ZONE_CONTAINER* aZone, SHAPE_POLY_SET& aRawPol
     else
     {
         int numSegs = std::max(
-                GetArcToSegmentCount( aZone->GetMinThickness() / 2, ARC_HIGH_DEF, 360.0 ), 6 );
+                GetArcToSegmentCount( aZone->GetMinThickness() / 2,
+                        m_board->GetDesignSettings().m_MaxError, 360.0 ), 6 );
         aFinalPolys.Inflate( -aZone->GetMinThickness() / 2, numSegs );
 
         // Remove the non filled areas due to the hatch pattern