Hi BB,

1. when you say "roughness maps" (and that they don't matter much) do you mean displacement maps?
2. if I were in possession of a great diffuse map with little or no reflections, how would I make a bump map, since (and I agree) you don't make it from the diffuse map?

Thank you

::::: Opera :::::

{edit to add: I suspect the answer to #2 is: a hi-res 3D scan}