> > Also: could a trick like this be used to create patina effects?> I don't know that much about how patina should look,
me neither but I've done some attempts 2 years ago (woh, time passed fast..)
with the projection pattern , creating a kind of accessibility pattern :
http://news.povray.org/povray.binaries.images/18641/
(The source for this example is in the mlpov documentation)
M
