Cubik Studio

Just a thought. Maybe come triangles, octagons, polygons, etc. Would be much less time consuming.

Whilst them being built it might be helpful, there are a lot already here:
help-centre-f3/primitive-s-add-on-12th- ... -t258.html

No I mean without mesh or voxels.

Elements are boxes only, they can't be triangles, or anything else without using tricks with multiple elements and HD texture(s)

A quick way to add such shapes, as perfect 8 or 16 - gonal prisms is would be a great addition