Index: development/Visualisatie_3D/Parametric_3D_models/TBX.json
===================================================================
diff -u -r181 -r186
--- development/Visualisatie_3D/Parametric_3D_models/TBX.json	(.../TBX.json)	(revision 181)
+++ development/Visualisatie_3D/Parametric_3D_models/TBX.json	(.../TBX.json)	(revision 186)
@@ -218,6 +218,7 @@
                 "yTranslationFrontPanel = -ChipBoardThickness",
                 "xTranslationGalleryFront = (SubtractForGalleryFront - 75)/2",
                 "yTranslationGalleryFront = is(string(BoxSystemHeight), 'C') ? 125 : 157",
+                "ShowGalleryFront = is(IsInnerBoxSystem, '1') and oneOf(string(BoxSystemHeight), 'C', 'D') ",
                 "VARSECTIE = '***************************************MATERIAL / DO NOT DELIVER****************************************' ",
                 "MaterialId_ChipBoard = concat('MT_ChipBoard_', BaseColour)",
                 "MaterialId_BoxSystemColour = concat('MT_BLUM_', BoxSystemColour)",
@@ -677,7 +678,7 @@
         },
         {
             "comment": "Parametric GalleryFront",
-            "if": "is(IsInnerBoxSystem, '1') and (is(string(BoxSystemHeight), 'C') or is(string(BoxSystemHeight), 'D'))",
+            "if": "ShowGalleryFront",
             "use": {
                 "from": "Collection_GalleryFront_Contour",
                 "part": "ProductId_GalleryFront",