On Tue, 25 Jul 2000 16:37:23 +1000, Ian Boreham said: -> Otherwise, the question gets misinterpreted six ways by the people who even -> bothered trying to understand it, and the asker only gets the answer they -> were looking for a week later. -> -> When you say "curving in" and "curving out", do you mean "in and out of the -> page" (i.e appearing like a crater next to a mound)? Sorry for the lack of details there. A crater next to a mound is what I'm after. I'll mess about with bump mapping later, and see what I can do. Thanks for your help.