This might be an option to quickly draw & test the shape 1/ Draw two
elliptical objects with a small offset (= steel profile thickness).2/
Use Solid Element Operations to subtract the smaller one from the larger
one.3/ Draw a slab to subtract the bot...
It may be that a texture is being used elsewhere as a texture. Open the
Attribute Manager to find the missing textures; these are indicated with
a red icon. Groeten!
It does work but doesn't always update automatically. (not even with
rebuild or rebuild from model) Turn of transparency and back on again.
Also make sure your glass is > 50% transparant
