I see. Thanks! Quite a few pitfalls there, though. If I was doing computer graphics often, the geometry wouldn't be a problem I guess. But I've not done any

I see. Thanks! Quite a few pitfalls there, though. If I was doing computer graphics often, the geometry wouldn't be a problem I guess. But I've not done any such thing in decades. If the job needs the geometry, then it might be a useful question to ask.