diff --git a/3d-viewer/dialogs/panel_preview_3d_model.cpp b/3d-viewer/dialogs/panel_preview_3d_model.cpp
index 5bfec8d492..5a9f5dc690 100644
--- a/3d-viewer/dialogs/panel_preview_3d_model.cpp
+++ b/3d-viewer/dialogs/panel_preview_3d_model.cpp
@@ -25,6 +25,7 @@
  */
 
 #include "panel_preview_3d_model.h"
+#include <dialogs/dialog_unit_entry.h>
 #include <3d_canvas/eda_3d_canvas.h>
 #include <tool/tool_manager.h>
 #include <tool/tool_dispatcher.h>
@@ -46,14 +47,14 @@ PANEL_PREVIEW_3D_MODEL::PANEL_PREVIEW_3D_MODEL( wxWindow* aParent, PCB_BASE_FRAM
                                                 FOOTPRINT* aFootprint,
                                                 std::vector<FP_3DMODEL>* aParentModelList ) :
         PANEL_PREVIEW_3D_MODEL_BASE( aParent, wxID_ANY ),
+        m_parentFrame( aFrame ),
         m_previewPane( nullptr ),
         m_infobar( nullptr ),
         m_boardAdapter(),
         m_currentCamera( m_trackBallCamera ),
-        m_trackBallCamera( 2 * RANGE_SCALE_3D ),
-        m_boardThickness( aFrame, nullptr, m_boardThicknessCtrl, m_boardThicknessUnits )
+        m_trackBallCamera( 2 * RANGE_SCALE_3D )
 {
-    m_userUnits = aFrame->GetUserUnits();
+    m_userUnits = m_parentFrame->GetUserUnits();
 
     m_dummyBoard = new BOARD();
 
@@ -83,6 +84,7 @@ PANEL_PREVIEW_3D_MODEL::PANEL_PREVIEW_3D_MODEL( wxWindow* aParent, PCB_BASE_FRAM
     m_bpvBottom->SetBitmap( KiBitmap( BITMAPS::axis3d_bottom ) );
     m_bpvISO->SetBitmap( KiBitmap( BITMAPS::ortho ) );
     m_bpUpdate->SetBitmap( KiBitmap( BITMAPS::reload ) );
+    m_bpSettings->SetBitmap( KiBitmap( BITMAPS::options_3drender ) );
 
     // Set the min and max values of spin buttons (mandatory on Linux)
     // They are not used, so they are set to min and max 32 bits int values
@@ -165,6 +167,7 @@ PANEL_PREVIEW_3D_MODEL::PANEL_PREVIEW_3D_MODEL( wxWindow* aParent, PCB_BASE_FRAM
     m_bpvBottom->SetMinSize( m_bpvBottom->GetSize() + borderFix );
     m_bpvISO->SetMinSize( m_bpvISO->GetSize() + borderFix );
     m_bpUpdate->SetMinSize( m_bpUpdate->GetSize() + borderFix );
+    m_bpSettings->SetMinSize( m_bpSettings->GetSize() + borderFix );
 #endif
 }
 
@@ -328,9 +331,6 @@ void PANEL_PREVIEW_3D_MODEL::SetSelectedModel( int idx )
 
         m_opacity->SetValue( 100 );
     }
-
-    BOARD_DESIGN_SETTINGS dummy_bds = m_dummyBoard->GetDesignSettings();
-    m_boardThickness.ChangeValue( dummy_bds.GetBoardThickness() );
 }
 
 
@@ -383,16 +383,27 @@ void PANEL_PREVIEW_3D_MODEL::onOpacitySlider( wxCommandEvent& event )
 }
 
 
-void PANEL_PREVIEW_3D_MODEL::updateBoardThickness( wxCommandEvent& event )
+void PANEL_PREVIEW_3D_MODEL::View3DSettings( wxCommandEvent& event )
 {
-    BOARD_DESIGN_SETTINGS dummy_bds = m_dummyBoard->GetDesignSettings();
-    dummy_bds.SetBoardThickness( m_boardThickness.GetValue() );
+    BOARD_DESIGN_SETTINGS bds = m_dummyBoard->GetDesignSettings();
+    int                   thickness = bds.GetBoardThickness();
 
-    BOARD_STACKUP& dummy_board_stackup = m_dummyBoard->GetDesignSettings().GetStackupDescriptor();
-    dummy_board_stackup.RemoveAll();
-    dummy_board_stackup.BuildDefaultStackupList( &dummy_bds, 2 );
+    WX_UNIT_ENTRY_DIALOG dlg( m_parentFrame, _( "Board thickness:" ),
+                              _( "3D Preview Options" ), thickness );
+
+    if( dlg.ShowModal() != wxID_OK )
+        return;
+
+    bds.SetBoardThickness( (int) dlg.GetValue() );
+
+    BOARD_STACKUP& boardStackup = m_dummyBoard->GetDesignSettings().GetStackupDescriptor();
+    boardStackup.RemoveAll();
+    boardStackup.BuildDefaultStackupList( &bds, 2 );
 
     UpdateDummyFootprint( true );
+
+    m_previewPane->ReloadRequest();
+    m_previewPane->Refresh();
 }
 
 
diff --git a/3d-viewer/dialogs/panel_preview_3d_model.h b/3d-viewer/dialogs/panel_preview_3d_model.h
index e589a0166c..d5da6b1b97 100644
--- a/3d-viewer/dialogs/panel_preview_3d_model.h
+++ b/3d-viewer/dialogs/panel_preview_3d_model.h
@@ -135,8 +135,6 @@ private:
 
     void onOpacitySlider( wxCommandEvent& event ) override;
 
-    void updateBoardThickness( wxCommandEvent& event ) override;
-
     void doIncrementScale( wxSpinEvent& aEvent, double aSign );
     void doIncrementRotation( wxSpinEvent& aEvent, double aSign );
     void doIncrementOffset( wxSpinEvent& aEvent, double aSign );
@@ -174,6 +172,8 @@ private:
         m_previewPane->Refresh();
     }
 
+    void View3DSettings( wxCommandEvent& event ) override;
+
 	void View3DRight( wxCommandEvent& event ) override
     {
         m_previewPane->SetView3D( VIEW3D_TYPE::VIEW3D_RIGHT );
@@ -190,6 +190,7 @@ private:
     }
 
 private:
+    PCB_BASE_FRAME*          m_parentFrame;
     EDA_3D_CANVAS*           m_previewPane;
     WX_INFOBAR*              m_infobar;
     BOARD_ADAPTER            m_boardAdapter;
@@ -202,7 +203,6 @@ private:
     std::vector<FP_3DMODEL>* m_parentModelList;
     int                      m_selected;   /// Index into m_parentInfoList
 
-    UNIT_BINDER              m_boardThickness;
     EDA_UNITS                m_userUnits;
 };
 
diff --git a/3d-viewer/dialogs/panel_preview_3d_model_base.cpp b/3d-viewer/dialogs/panel_preview_3d_model_base.cpp
index e9530245f0..ff25410b62 100644
--- a/3d-viewer/dialogs/panel_preview_3d_model_base.cpp
+++ b/3d-viewer/dialogs/panel_preview_3d_model_base.cpp
@@ -21,7 +21,7 @@ PANEL_PREVIEW_3D_MODEL_BASE::PANEL_PREVIEW_3D_MODEL_BASE( wxWindow* parent, wxWi
 	sbSizerScale = new wxStaticBoxSizer( new wxStaticBox( this, wxID_ANY, _("Scale") ), wxVERTICAL );
 
 	wxFlexGridSizer* fgSizerScale;
-	fgSizerScale = new wxFlexGridSizer( 0, 3, 3, 3 );
+	fgSizerScale = new wxFlexGridSizer( 0, 3, 2, 3 );
 	fgSizerScale->AddGrowableCol( 1 );
 	fgSizerScale->SetFlexibleDirection( wxBOTH );
 	fgSizerScale->SetNonFlexibleGrowMode( wxFLEX_GROWMODE_SPECIFIED );
@@ -66,7 +66,7 @@ PANEL_PREVIEW_3D_MODEL_BASE::PANEL_PREVIEW_3D_MODEL_BASE( wxWindow* parent, wxWi
 	sbSizerRotation = new wxStaticBoxSizer( new wxStaticBox( this, wxID_ANY, _("Rotation") ), wxVERTICAL );
 
 	wxFlexGridSizer* fgSizerRotate;
-	fgSizerRotate = new wxFlexGridSizer( 0, 3, 3, 3 );
+	fgSizerRotate = new wxFlexGridSizer( 0, 3, 2, 3 );
 	fgSizerRotate->AddGrowableCol( 1 );
 	fgSizerRotate->SetFlexibleDirection( wxBOTH );
 	fgSizerRotate->SetNonFlexibleGrowMode( wxFLEX_GROWMODE_SPECIFIED );
@@ -111,7 +111,7 @@ PANEL_PREVIEW_3D_MODEL_BASE::PANEL_PREVIEW_3D_MODEL_BASE( wxWindow* parent, wxWi
 	sbSizerOffset = new wxStaticBoxSizer( new wxStaticBox( this, wxID_ANY, _("Offset") ), wxVERTICAL );
 
 	wxFlexGridSizer* fgSizerOffset;
-	fgSizerOffset = new wxFlexGridSizer( 0, 3, 3, 3 );
+	fgSizerOffset = new wxFlexGridSizer( 0, 3, 2, 3 );
 	fgSizerOffset->AddGrowableCol( 1 );
 	fgSizerOffset->SetFlexibleDirection( wxBOTH );
 	fgSizerOffset->SetNonFlexibleGrowMode( wxFLEX_GROWMODE_SPECIFIED );
@@ -159,20 +159,7 @@ PANEL_PREVIEW_3D_MODEL_BASE::PANEL_PREVIEW_3D_MODEL_BASE( wxWindow* parent, wxWi
 	sbSizer4->Add( m_opacity, 0, wxBOTTOM|wxEXPAND|wxLEFT|wxRIGHT, 5 );
 
 
-	bSizerLeft->Add( sbSizer4, 1, wxEXPAND|wxLEFT|wxRIGHT, 5 );
-
-	wxStaticBoxSizer* sbSizerBoardThickness;
-	sbSizerBoardThickness = new wxStaticBoxSizer( new wxStaticBox( this, wxID_ANY, _("Board Thickness") ), wxHORIZONTAL );
-
-	m_boardThicknessCtrl = new wxTextCtrl( sbSizerBoardThickness->GetStaticBox(), wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0 );
-	sbSizerBoardThickness->Add( m_boardThicknessCtrl, 1, wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxLEFT, 5 );
-
-	m_boardThicknessUnits = new wxStaticText( sbSizerBoardThickness->GetStaticBox(), wxID_ANY, _("mm"), wxDefaultPosition, wxDefaultSize, 0 );
-	m_boardThicknessUnits->Wrap( -1 );
-	sbSizerBoardThickness->Add( m_boardThicknessUnits, 0, wxBOTTOM|wxRIGHT|wxLEFT|wxALIGN_CENTER_VERTICAL, 5 );
-
-
-	bSizerLeft->Add( sbSizerBoardThickness, 0, wxBOTTOM|wxEXPAND|wxLEFT|wxRIGHT, 5 );
+	bSizerLeft->Add( sbSizer4, 1, wxEXPAND|wxBOTTOM|wxRIGHT|wxLEFT, 5 );
 
 
 	bSizermain->Add( bSizerLeft, 0, 0, 5 );
@@ -195,7 +182,7 @@ PANEL_PREVIEW_3D_MODEL_BASE::PANEL_PREVIEW_3D_MODEL_BASE( wxWindow* parent, wxWi
 	m_SizerPanelView = new wxBoxSizer( wxVERTICAL );
 
 
-	bSizerRight->Add( m_SizerPanelView, 1, wxEXPAND|wxBOTTOM, 8 );
+	bSizerRight->Add( m_SizerPanelView, 1, wxEXPAND|wxBOTTOM, 5 );
 
 
 	bSizermain->Add( bSizerRight, 1, wxRIGHT|wxLEFT|wxEXPAND, 5 );
@@ -212,7 +199,7 @@ PANEL_PREVIEW_3D_MODEL_BASE::PANEL_PREVIEW_3D_MODEL_BASE( wxWindow* parent, wxWi
 	bSizer3DButtons->Add( 0, 0, 1, wxEXPAND, 5 );
 
 	m_bpvLeft = new wxBitmapButton( this, wxID_ANY, wxNullBitmap, wxDefaultPosition, wxSize( -1,-1 ), wxBU_AUTODRAW|0 );
-	bSizer3DButtons->Add( m_bpvLeft, 0, wxALIGN_LEFT|wxALIGN_RIGHT|wxBOTTOM, 5 );
+	bSizer3DButtons->Add( m_bpvLeft, 0, wxBOTTOM, 5 );
 
 	m_bpvRight = new wxBitmapButton( this, wxID_ANY, wxNullBitmap, wxDefaultPosition, wxSize( -1,-1 ), wxBU_AUTODRAW|0 );
 	bSizer3DButtons->Add( m_bpvRight, 0, wxBOTTOM, 5 );
@@ -237,6 +224,9 @@ PANEL_PREVIEW_3D_MODEL_BASE::PANEL_PREVIEW_3D_MODEL_BASE( wxWindow* parent, wxWi
 
 	bSizer3DButtons->Add( m_bpUpdate, 0, wxBOTTOM, 5 );
 
+	m_bpSettings = new wxBitmapButton( this, wxID_ANY, wxNullBitmap, wxDefaultPosition, wxDefaultSize, wxBU_AUTODRAW|0 );
+	bSizer3DButtons->Add( m_bpSettings, 0, 0, 5 );
+
 
 	bSizermain->Add( bSizer3DButtons, 0, wxBOTTOM|wxLEFT|wxRIGHT|wxEXPAND, 5 );
 
@@ -283,8 +273,6 @@ PANEL_PREVIEW_3D_MODEL_BASE::PANEL_PREVIEW_3D_MODEL_BASE( wxWindow* parent, wxWi
 	m_spinZoffset->Connect( wxEVT_SCROLL_LINEDOWN, wxSpinEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::onDecrementOffset ), NULL, this );
 	m_spinZoffset->Connect( wxEVT_SCROLL_LINEUP, wxSpinEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::onIncrementOffset ), NULL, this );
 	m_opacity->Connect( wxEVT_SLIDER, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::onOpacitySlider ), NULL, this );
-	m_boardThicknessCtrl->Connect( wxEVT_MOUSEWHEEL, wxMouseEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::onMouseWheelBoardThickness ), NULL, this );
-	m_boardThicknessCtrl->Connect( wxEVT_COMMAND_TEXT_UPDATED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::updateBoardThickness ), NULL, this );
 	m_bpvISO->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DISO ), NULL, this );
 	m_bpvLeft->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DLeft ), NULL, this );
 	m_bpvRight->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DRight ), NULL, this );
@@ -293,6 +281,7 @@ PANEL_PREVIEW_3D_MODEL_BASE::PANEL_PREVIEW_3D_MODEL_BASE( wxWindow* parent, wxWi
 	m_bpvTop->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DTop ), NULL, this );
 	m_bpvBottom->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DBottom ), NULL, this );
 	m_bpUpdate->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DUpdate ), NULL, this );
+	m_bpSettings->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DSettings ), NULL, this );
 }
 
 PANEL_PREVIEW_3D_MODEL_BASE::~PANEL_PREVIEW_3D_MODEL_BASE()
@@ -335,8 +324,6 @@ PANEL_PREVIEW_3D_MODEL_BASE::~PANEL_PREVIEW_3D_MODEL_BASE()
 	m_spinZoffset->Disconnect( wxEVT_SCROLL_LINEDOWN, wxSpinEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::onDecrementOffset ), NULL, this );
 	m_spinZoffset->Disconnect( wxEVT_SCROLL_LINEUP, wxSpinEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::onIncrementOffset ), NULL, this );
 	m_opacity->Disconnect( wxEVT_SLIDER, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::onOpacitySlider ), NULL, this );
-	m_boardThicknessCtrl->Disconnect( wxEVT_MOUSEWHEEL, wxMouseEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::onMouseWheelBoardThickness ), NULL, this );
-	m_boardThicknessCtrl->Disconnect( wxEVT_COMMAND_TEXT_UPDATED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::updateBoardThickness ), NULL, this );
 	m_bpvISO->Disconnect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DISO ), NULL, this );
 	m_bpvLeft->Disconnect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DLeft ), NULL, this );
 	m_bpvRight->Disconnect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DRight ), NULL, this );
@@ -345,5 +332,6 @@ PANEL_PREVIEW_3D_MODEL_BASE::~PANEL_PREVIEW_3D_MODEL_BASE()
 	m_bpvTop->Disconnect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DTop ), NULL, this );
 	m_bpvBottom->Disconnect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DBottom ), NULL, this );
 	m_bpUpdate->Disconnect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DUpdate ), NULL, this );
+	m_bpSettings->Disconnect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PANEL_PREVIEW_3D_MODEL_BASE::View3DSettings ), NULL, this );
 
 }
diff --git a/3d-viewer/dialogs/panel_preview_3d_model_base.fbp b/3d-viewer/dialogs/panel_preview_3d_model_base.fbp
index 8b1d56465a..21d72e2ec8 100644
--- a/3d-viewer/dialogs/panel_preview_3d_model_base.fbp
+++ b/3d-viewer/dialogs/panel_preview_3d_model_base.fbp
@@ -93,7 +93,7 @@
                                         <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>
+                                        <property name="vgap">2</property>
                                         <object class="sizeritem" expanded="0">
                                             <property name="border">5</property>
                                             <property name="flag">wxALIGN_CENTER_VERTICAL|wxLEFT</property>
@@ -686,7 +686,7 @@
                                         <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>
+                                        <property name="vgap">2</property>
                                         <object class="sizeritem" expanded="0">
                                             <property name="border">5</property>
                                             <property name="flag">wxALIGN_CENTER_VERTICAL|wxLEFT</property>
@@ -1279,7 +1279,7 @@
                                         <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>
+                                        <property name="vgap">2</property>
                                         <object class="sizeritem" expanded="0">
                                             <property name="border">5</property>
                                             <property name="flag">wxALIGN_CENTER_VERTICAL|wxLEFT</property>
@@ -1847,7 +1847,7 @@
                         </object>
                         <object class="sizeritem" expanded="1">
                             <property name="border">5</property>
-                            <property name="flag">wxEXPAND|wxLEFT|wxRIGHT</property>
+                            <property name="flag">wxEXPAND|wxBOTTOM|wxRIGHT|wxLEFT</property>
                             <property name="proportion">1</property>
                             <object class="wxStaticBoxSizer" expanded="1">
                                 <property name="id">wxID_ANY</property>
@@ -1925,147 +1925,6 @@
                                 </object>
                             </object>
                         </object>
-                        <object class="sizeritem" expanded="1">
-                            <property name="border">5</property>
-                            <property name="flag">wxBOTTOM|wxEXPAND|wxLEFT|wxRIGHT</property>
-                            <property name="proportion">0</property>
-                            <object class="wxStaticBoxSizer" expanded="1">
-                                <property name="id">wxID_ANY</property>
-                                <property name="label">Board Thickness</property>
-                                <property name="minimum_size"></property>
-                                <property name="name">sbSizerBoardThickness</property>
-                                <property name="orient">wxHORIZONTAL</property>
-                                <property name="parent">1</property>
-                                <property name="permission">none</property>
-                                <object class="sizeritem" expanded="1">
-                                    <property name="border">5</property>
-                                    <property name="flag">wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxLEFT</property>
-                                    <property name="proportion">1</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_boardThicknessCtrl</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"></property>
-                                        <property name="validator_style">wxFILTER_NONE</property>
-                                        <property name="validator_type">wxDefaultValidator</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>
-                                        <event name="OnMouseWheel">onMouseWheelBoardThickness</event>
-                                        <event name="OnText">updateBoardThickness</event>
-                                    </object>
-                                </object>
-                                <object class="sizeritem" expanded="1">
-                                    <property name="border">5</property>
-                                    <property name="flag">wxBOTTOM|wxRIGHT|wxLEFT|wxALIGN_CENTER_VERTICAL</property>
-                                    <property name="proportion">0</property>
-                                    <object class="wxStaticText" expanded="1">
-                                        <property name="BottomDockable">1</property>
-                                        <property name="LeftDockable">1</property>
-                                        <property name="RightDockable">1</property>
-                                        <property name="TopDockable">1</property>
-                                        <property name="aui_layer"></property>
-                                        <property name="aui_name"></property>
-                                        <property name="aui_position"></property>
-                                        <property name="aui_row"></property>
-                                        <property name="best_size"></property>
-                                        <property name="bg"></property>
-                                        <property name="caption"></property>
-                                        <property name="caption_visible">1</property>
-                                        <property name="center_pane">0</property>
-                                        <property name="close_button">1</property>
-                                        <property name="context_help"></property>
-                                        <property name="context_menu">1</property>
-                                        <property name="default_pane">0</property>
-                                        <property name="dock">Dock</property>
-                                        <property name="dock_fixed">0</property>
-                                        <property name="docking">Left</property>
-                                        <property name="enabled">1</property>
-                                        <property name="fg"></property>
-                                        <property name="floatable">1</property>
-                                        <property name="font"></property>
-                                        <property name="gripper">0</property>
-                                        <property name="hidden">0</property>
-                                        <property name="id">wxID_ANY</property>
-                                        <property name="label">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_boardThicknessUnits</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>
                 </object>
                 <object class="sizeritem" expanded="1">
@@ -2150,7 +2009,7 @@
                             </object>
                         </object>
                         <object class="sizeritem" expanded="1">
-                            <property name="border">8</property>
+                            <property name="border">5</property>
                             <property name="flag">wxEXPAND|wxBOTTOM</property>
                             <property name="proportion">1</property>
                             <object class="wxBoxSizer" expanded="1">
@@ -2257,7 +2116,7 @@
                         </object>
                         <object class="sizeritem" expanded="1">
                             <property name="border">5</property>
-                            <property name="flag">wxALIGN_LEFT|wxALIGN_RIGHT|wxBOTTOM</property>
+                            <property name="flag">wxBOTTOM</property>
                             <property name="proportion">0</property>
                             <object class="wxBitmapButton" expanded="1">
                                 <property name="BottomDockable">1</property>
@@ -2783,6 +2642,80 @@
                                 <event name="OnButtonClick">View3DUpdate</event>
                             </object>
                         </object>
+                        <object class="sizeritem" expanded="1">
+                            <property name="border">5</property>
+                            <property name="flag"></property>
+                            <property name="proportion">0</property>
+                            <object class="wxBitmapButton" 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="auth_needed">0</property>
+                                <property name="best_size"></property>
+                                <property name="bg"></property>
+                                <property name="bitmap"></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="current"></property>
+                                <property name="default">0</property>
+                                <property name="default_pane">0</property>
+                                <property name="disabled"></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="focus"></property>
+                                <property name="font"></property>
+                                <property name="gripper">0</property>
+                                <property name="hidden">0</property>
+                                <property name="id">wxID_ANY</property>
+                                <property name="label">MyButton</property>
+                                <property name="margins"></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_bpSettings</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="position"></property>
+                                <property name="pressed"></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"></property>
+                                <property name="validator_style">wxFILTER_NONE</property>
+                                <property name="validator_type">wxDefaultValidator</property>
+                                <property name="validator_variable"></property>
+                                <property name="window_extra_style"></property>
+                                <property name="window_name"></property>
+                                <property name="window_style"></property>
+                                <event name="OnButtonClick">View3DSettings</event>
+                            </object>
+                        </object>
                     </object>
                 </object>
             </object>
diff --git a/3d-viewer/dialogs/panel_preview_3d_model_base.h b/3d-viewer/dialogs/panel_preview_3d_model_base.h
index d2c1c0f6b0..1619ce5672 100644
--- a/3d-viewer/dialogs/panel_preview_3d_model_base.h
+++ b/3d-viewer/dialogs/panel_preview_3d_model_base.h
@@ -66,8 +66,6 @@ class PANEL_PREVIEW_3D_MODEL_BASE : public wxPanel
 		wxTextCtrl* zoff;
 		wxSpinButton* m_spinZoffset;
 		wxSlider* m_opacity;
-		wxTextCtrl* m_boardThicknessCtrl;
-		wxStaticText* m_boardThicknessUnits;
 		wxStaticText* m_previewLabel;
 		wxBoxSizer* m_SizerPanelView;
 		wxBitmapButton* m_bpvISO;
@@ -78,6 +76,7 @@ class PANEL_PREVIEW_3D_MODEL_BASE : public wxPanel
 		wxBitmapButton* m_bpvTop;
 		wxBitmapButton* m_bpvBottom;
 		wxBitmapButton* m_bpUpdate;
+		wxBitmapButton* m_bpSettings;
 
 		// Virtual event handlers, override them in your derived class
 		virtual void onMouseWheelScale( wxMouseEvent& event ) { event.Skip(); }
@@ -91,8 +90,6 @@ class PANEL_PREVIEW_3D_MODEL_BASE : public wxPanel
 		virtual void onDecrementOffset( wxSpinEvent& event ) { event.Skip(); }
 		virtual void onIncrementOffset( wxSpinEvent& event ) { event.Skip(); }
 		virtual void onOpacitySlider( wxCommandEvent& event ) { event.Skip(); }
-		virtual void onMouseWheelBoardThickness( wxMouseEvent& event ) { event.Skip(); }
-		virtual void updateBoardThickness( wxCommandEvent& event ) { event.Skip(); }
 		virtual void View3DISO( wxCommandEvent& event ) { event.Skip(); }
 		virtual void View3DLeft( wxCommandEvent& event ) { event.Skip(); }
 		virtual void View3DRight( wxCommandEvent& event ) { event.Skip(); }
@@ -101,6 +98,7 @@ class PANEL_PREVIEW_3D_MODEL_BASE : public wxPanel
 		virtual void View3DTop( wxCommandEvent& event ) { event.Skip(); }
 		virtual void View3DBottom( wxCommandEvent& event ) { event.Skip(); }
 		virtual void View3DUpdate( wxCommandEvent& event ) { event.Skip(); }
+		virtual void View3DSettings( wxCommandEvent& event ) { event.Skip(); }
 
 
 	public:
diff --git a/pcbnew/dialogs/dialog_footprint_properties_base.cpp b/pcbnew/dialogs/dialog_footprint_properties_base.cpp
index 5e33495d70..1fb7c5ecd8 100644
--- a/pcbnew/dialogs/dialog_footprint_properties_base.cpp
+++ b/pcbnew/dialogs/dialog_footprint_properties_base.cpp
@@ -106,7 +106,7 @@ DIALOG_FOOTPRINT_PROPERTIES_BASE::DIALOG_FOOTPRINT_PROPERTIES_BASE( wxWindow* pa
 	sbSizer7 = new wxStaticBoxSizer( new wxStaticBox( m_PanelGeneral, wxID_ANY, _("Position") ), wxVERTICAL );
 
 	wxFlexGridSizer* fgSizerPos;
-	fgSizerPos = new wxFlexGridSizer( 4, 3, 3, 0 );
+	fgSizerPos = new wxFlexGridSizer( 4, 3, 2, 0 );
 	fgSizerPos->AddGrowableCol( 1 );
 	fgSizerPos->AddGrowableRow( 2 );
 	fgSizerPos->SetFlexibleDirection( wxBOTH );
@@ -143,7 +143,7 @@ DIALOG_FOOTPRINT_PROPERTIES_BASE::DIALOG_FOOTPRINT_PROPERTIES_BASE( wxWindow* pa
 	m_orientationCtrl->Append( _("90") );
 	m_orientationCtrl->Append( _("-90") );
 	m_orientationCtrl->Append( _("180") );
-	fgSizerPos->Add( m_orientationCtrl, 0, wxALIGN_CENTER_VERTICAL, 5 );
+	fgSizerPos->Add( m_orientationCtrl, 0, wxALIGN_CENTER_VERTICAL|wxTOP|wxBOTTOM, 2 );
 
 
 	fgSizerPos->Add( 0, 0, 1, wxEXPAND, 5 );
@@ -156,7 +156,7 @@ DIALOG_FOOTPRINT_PROPERTIES_BASE::DIALOG_FOOTPRINT_PROPERTIES_BASE( wxWindow* pa
 	int m_BoardSideCtrlNChoices = sizeof( m_BoardSideCtrlChoices ) / sizeof( wxString );
 	m_BoardSideCtrl = new wxChoice( sbSizer7->GetStaticBox(), wxID_ANY, wxDefaultPosition, wxDefaultSize, m_BoardSideCtrlNChoices, m_BoardSideCtrlChoices, 0 );
 	m_BoardSideCtrl->SetSelection( 1 );
-	fgSizerPos->Add( m_BoardSideCtrl, 0, wxALIGN_CENTER_VERTICAL|wxEXPAND, 5 );
+	fgSizerPos->Add( m_BoardSideCtrl, 0, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxTOP|wxBOTTOM, 2 );
 
 
 	sbSizer7->Add( fgSizerPos, 0, wxEXPAND|wxBOTTOM, 3 );
diff --git a/pcbnew/dialogs/dialog_footprint_properties_base.fbp b/pcbnew/dialogs/dialog_footprint_properties_base.fbp
index 4b8409bdea..a5e8286dee 100644
--- a/pcbnew/dialogs/dialog_footprint_properties_base.fbp
+++ b/pcbnew/dialogs/dialog_footprint_properties_base.fbp
@@ -498,7 +498,7 @@
                                                                     <property name="non_flexible_grow_mode">wxFLEX_GROWMODE_SPECIFIED</property>
                                                                     <property name="permission">none</property>
                                                                     <property name="rows">4</property>
-                                                                    <property name="vgap">3</property>
+                                                                    <property name="vgap">2</property>
                                                                     <object class="sizeritem" expanded="0">
                                                                         <property name="border">5</property>
                                                                         <property name="flag">wxALIGN_CENTER_VERTICAL|wxRIGHT|wxLEFT</property>
@@ -933,8 +933,8 @@
                                                                         </object>
                                                                     </object>
                                                                     <object class="sizeritem" expanded="1">
-                                                                        <property name="border">5</property>
-                                                                        <property name="flag">wxALIGN_CENTER_VERTICAL</property>
+                                                                        <property name="border">2</property>
+                                                                        <property name="flag">wxALIGN_CENTER_VERTICAL|wxTOP|wxBOTTOM</property>
                                                                         <property name="proportion">0</property>
                                                                         <object class="wxComboBox" expanded="1">
                                                                             <property name="BottomDockable">1</property>
@@ -1069,8 +1069,8 @@
                                                                         </object>
                                                                     </object>
                                                                     <object class="sizeritem" expanded="0">
-                                                                        <property name="border">5</property>
-                                                                        <property name="flag">wxALIGN_CENTER_VERTICAL|wxEXPAND</property>
+                                                                        <property name="border">2</property>
+                                                                        <property name="flag">wxALIGN_CENTER_VERTICAL|wxEXPAND|wxTOP|wxBOTTOM</property>
                                                                         <property name="proportion">0</property>
                                                                         <object class="wxChoice" expanded="0">
                                                                             <property name="BottomDockable">1</property>