By default: the Opening displays the host element’s surface, with no override.
Override Opening Surface
If needed, you can apply a different surface to the Opening extrusion and/or ends.
•Extrusion: the sides of the Opening body, where it cuts through the host elements
•Ends: one or two ends of a limited Opening body, where it meets but does not cut through the host element (e.g. niche or recess).
1.Select the Opening
2.Open the Override Surfaces control
•in the Info Box, or
•in the Model Panel of Opening Settings
3.Activate the toggle of the ends surface and/or extrusion surface
4.From the pop-up, choose the desired surface.
Note: Click the Chain icon (“Link Surfaces”) to apply the same surface to ends and extrusion.
Override Opening surface - extrusion
Override Opening surfaces - both extrusion and end