Hi Guy! Thanks for your simplification of my faceting work-around. I think I found my uneccesarily complicated method in a panic situation and didn't realise until your reply that it could be done more simply. In fact the "more than three sides" isn't a necessary limitation, because in its "Poly" me...

Sometimes when faceting in Great Stella, I've wanted to have a plane saved in the faceted polyhedron - not just where it cuts a solid volume, but free in space. If you just define a plane in the usual way using the faceting tool, it will have green edges, "only one face, needs another". If you try t...