Fix 3d drawing of board edges defined in modules, now pcb edge layer is always drawn.

3d-viewer/3d_draw.cpp

@@ -661,6 +661,7 @@ void MODULE::Draw3D( Pcb3D_GLCanvas* glcanvas )
     /* Draw module shape: 3D shape if exists (or module outlines if not exists) */
     S3D_MASTER* Struct3D  = m_3D_Drawings;
     bool        As3dShape = FALSE;
+
     if( g_Parm_3D_Visu.m_Draw3DModule )
     {
         glPushMatrix();
@@ -673,6 +674,7 @@ void MODULE::Draw3D( Pcb3D_GLCanvas* glcanvas )
         {
             glRotatef( (double) m_Orient / 10, 0.0, 0.0, 1.0 );
         }
+
         if( m_Layer == LAYER_N_BACK )
         {
             glRotatef( 180.0, 0.0, 1.0, 0.0 );
@@ -692,9 +694,6 @@ void MODULE::Draw3D( Pcb3D_GLCanvas* glcanvas )
         glPopMatrix();
     }
 
-    if( !As3dShape )
-    {
-        // The footprint does not have a 3D shape, draw its 2D shape instead
     EDA_ITEM* Struct = m_Drawings;
     glNormal3f( 0.0, 0.0, 1.0 ); // Normal is Z axis
 
@@ -706,14 +705,20 @@ void MODULE::Draw3D( Pcb3D_GLCanvas* glcanvas )
             break;
 
         case TYPE_EDGE_MODULE:
-                ( (EDGE_MODULE*) Struct )->Draw3D( glcanvas );
+        {
+            EDGE_MODULE* edge = (EDGE_MODULE*) Struct;
+
+            // Draw module edges when no 3d shape exists.
+            // Always draw pcb edges.
+            if( !As3dShape || edge->GetLayer() == EDGE_N )
+                edge->Draw3D( glcanvas );
+        }
         break;
 
         default:
             break;
         }
     }
-    }
 }