Index: development/Visualisatie_3D/Parametric_3D_models/TBX.json
===================================================================
diff -u -r141 -r163
--- development/Visualisatie_3D/Parametric_3D_models/TBX.json	(.../TBX.json)	(revision 141)
+++ development/Visualisatie_3D/Parametric_3D_models/TBX.json	(.../TBX.json)	(revision 163)
@@ -137,7 +137,9 @@
                 "CabinetWidth_IsValid = is(IsSiphon, 1) ? ( (is(SugWidthIsApplicable, 1) or is(Visu3DHasValidDimensions, 1) ) ? 1 : 0 ) : is(InternalWidth, 564.01) ? 0 : 1",
                 "InternalWidthFor3D = is(CabinetWidth_IsValid, 1) ? InternalWidth : is(IsSink, 1) ? 564 : is(IsSiphon, 1) ? 1200 : 564",
                 "BaseWidth = InternalWidthFor3D - 75",
-                "BaseDepth = BoxSystemDepth - 24",
+                "BaseDepthForWoodBack = BoxSystemDepth - 24",
+                "BaseDepthForSteelBack = BoxSystemDepth - 22",
+                "BaseDepth = is(BackSideMaterial, 'Wood') ? BaseDepthForWoodBack : BaseDepthForSteelBack",
                 "ChipBoardThickness = 16",
                 "SideDistanceBetweenBaseAndCabinetWall  = 37.5",
                 "DistanceInsideCabinetToInsideBoxSystem = 37",
@@ -150,6 +152,8 @@
                 "GallerySide_HeightTranslation = lookup(GallerySide_HeightMatrix, [['=', string(BoxSystemHeight)], ['#', 'distance']])",
                 "GallerySide_SideTranslation = -SideDistanceBetweenBaseAndCabinetWall + 15.5",
                 "ShowGallerySide = is(BoxSystemHeight, SideHeight) ? 0 : 1",
+                "VARSECTIE = '***************************************Steel Back****************************************' ",
+                "VisualCorrectionZDirection = 2",
                 "VARSECTIE = '***************************************BackFixing****************************************' ",
                 "BackFixing_HeightMatrix = ['N', '22'; 'M', '20'; 'K', '22'; 'C', '39'; 'D', '8'; 'B', '39']",
                 "BackFixing_HeightTranslationLookup = lookup(BackFixing_HeightMatrix, [['=', string(BackHeightFor3D)], ['#', 'distance']])",
@@ -185,6 +189,7 @@
                 "ProductId_FrontAttachmentKPositionPiece = 'P-VIS-TBX.FrontAttachment-PositionPiece' ",
                 "ProductId_SiphonCapLeft = concat('P-VIS-TBX.SiphonCap-', string(CutOutCode_Z1) )",
                 "ProductId_SiphonCapRight = concat('P-VIS-TBX.SiphonCap-', string(CutOutCode_Z2) )",
+                "ProductId_SteelBack = concat('P-VIS-TBX.BackSteel-', string(InternalWidthFor3D), string(BackHeightFor3D) )",
                 "VARSECTIE = '***************************************EINDE****************************************' "
             ]
         },
@@ -519,6 +524,21 @@
             },
             "material": "MaterialId_BoxSystemColour",
             "uv": "@cube scale(0.01)"
+        },
+        {
+            "comment": "Back Steel",
+            "if": "is(BackSideMaterial, 'Steel')",
+            "geometry": {
+                "pass": true,
+                "url": "ProductId_SteelBack"
+            },
+            "translate": {
+                "x": "BoxSystemCenterWidth",
+                "y": "-ChipBoardThickness/2",
+                "z": "-BaseDepth - VisualCorrectionZDirection"
+            },
+            "material": "MaterialId_BoxSystemColour",
+            "uv": "@cube scale(0.01)"
         }
     ]
 }
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