diff --git a/3d-viewer/3d_canvas/board_adapter.cpp b/3d-viewer/3d_canvas/board_adapter.cpp
index f1ca6a39a3..d87c722d0a 100644
--- a/3d-viewer/3d_canvas/board_adapter.cpp
+++ b/3d-viewer/3d_canvas/board_adapter.cpp
@@ -242,10 +242,10 @@ bool BOARD_ADAPTER::IsFootprintShown( FOOTPRINT_ATTR_T aFPAttributes ) const
 // !TODO: define the actual copper thickness by user from board stackup
 #define COPPER_THICKNESS Millimeter2iu( 0.035 )   // for 35 um
 // The solder mask layer (and silkscreen) thickness
-#define TECH_LAYER_THICKNESS Millimeter2iu( 0.04 )
+#define TECH_LAYER_THICKNESS Millimeter2iu( 0.025 )
 // The solder paste thickness is chosen bigger than the solder mask layer
 // to be sure is covers the mask when overlapping.
-#define SOLDERPASTE_LAYER_THICKNESS Millimeter2iu( 0.08 )
+#define SOLDERPASTE_LAYER_THICKNESS Millimeter2iu( 0.04 )
 
 int BOARD_ADAPTER::GetHolePlatingThickness() const noexcept
 {
diff --git a/3d-viewer/3d_canvas/create_layer_items.cpp b/3d-viewer/3d_canvas/create_layer_items.cpp
index 8bf7daecb3..902f7d0a0a 100644
--- a/3d-viewer/3d_canvas/create_layer_items.cpp
+++ b/3d-viewer/3d_canvas/create_layer_items.cpp
@@ -269,7 +269,9 @@ void BOARD_ADAPTER::createLayers( REPORTER* aStatusReporter )
                 const VIA*    via               = static_cast<const VIA*>( track );
                 const VIATYPE viatype           = via->GetViaType();
                 const float   holediameter      = via->GetDrillValue() * BiuTo3dUnits();
-                const float   thickness         = GetCopperThickness();
+
+                // holes and layer copper extend half info cylinder wall to hide transition
+                const float   thickness         = GetHolePlatingThickness() * BiuTo3dUnits() / 2.0f;
                 const float   hole_inner_radius = ( holediameter / 2.0f );
                 const float   ring_radius       = via->GetWidth() * BiuTo3dUnits() / 2.0f;
 
@@ -456,7 +458,7 @@ void BOARD_ADAPTER::createLayers( REPORTER* aStatusReporter )
 
             // The hole in the body is inflated by copper thickness, if not plated, no copper
             const int inflate = ( pad->GetAttribute () != PAD_ATTRIB_NPTH ) ?
-                                GetHolePlatingThickness() : 0;
+                                GetHolePlatingThickness() / 2 : 0;
 
             m_holeCount++;
             m_averageHoleDiameter += ( ( pad->GetDrillSize().x +
diff --git a/3d-viewer/3d_rendering/legacy/create_scene.cpp b/3d-viewer/3d_rendering/legacy/create_scene.cpp
index 90639b9392..642cc75c29 100644
--- a/3d-viewer/3d_rendering/legacy/create_scene.cpp
+++ b/3d-viewer/3d_rendering/legacy/create_scene.cpp
@@ -721,6 +721,9 @@ void RENDER_3D_LEGACY::generateCylinder( const SFVEC2F& aCenter, float aInnerRad
 
 void RENDER_3D_LEGACY::generateViasAndPads()
 {
+    const int   platingThickness    = m_boardAdapter.GetHolePlatingThickness();
+    const float platingThickness3d  = platingThickness * m_boardAdapter.BiuTo3dUnits();
+
     if( m_boardAdapter.GetViaCount() > 0 )
     {
         const unsigned int reserve_nr_triangles_estimation =
@@ -741,7 +744,6 @@ void RENDER_3D_LEGACY::generateViasAndPads()
                 const VIA* via = static_cast<const VIA*>( track );
 
                 const float holediameter = via->GetDrillValue() * m_boardAdapter.BiuTo3dUnits();
-                const float thickness = m_boardAdapter.GetCopperThickness();
                 const int nrSegments = m_boardAdapter.GetCircleSegmentCount( via->GetDrillValue() );
                 const float hole_inner_radius = holediameter / 2.0f;
 
@@ -758,7 +760,8 @@ void RENDER_3D_LEGACY::generateViasAndPads()
 
                 wxASSERT( zbot < ztop );
 
-                generateCylinder( via_center, hole_inner_radius, hole_inner_radius + thickness,
+                generateCylinder( via_center, hole_inner_radius,
+                                  hole_inner_radius + platingThickness3d,
                                   ztop, zbot, nrSegments, layerTriangleVIA );
             }
         }
@@ -790,13 +793,11 @@ void RENDER_3D_LEGACY::generateViasAndPads()
                     if( !hasHole )
                         continue;
 
-                    const int copperThickness = m_boardAdapter.GetHolePlatingThickness();
-
                     pad->TransformHoleWithClearanceToPolygon( tht_outer_holes_poly,
-                                                              copperThickness,
-                                                              ARC_LOW_DEF, ERROR_INSIDE );
+                                                              platingThickness,
+                                                              ARC_HIGH_DEF, ERROR_INSIDE );
                     pad->TransformHoleWithClearanceToPolygon( tht_inner_holes_poly, 0,
-                                                              ARC_LOW_DEF, ERROR_INSIDE );
+                                                              ARC_HIGH_DEF, ERROR_INSIDE );
                 }
             }
         }