1. I never herd of any limit, all I can say for sure is a lot. A child can only have one parent, but a parent may have many children

2. Yes, UVMapper is good for doing this, or you may be able to do it in your moddling app. In UVMapper you do not have to create "separate (sub)groups", you can assign diffrent materials to diffrent parts of the same group.

Message edited on: 04/11/2005 14:25