Got it working now, many thanks for the tutorial. (I'd been misled by a different tutorial, which showed a script being used in a different way.) Pretty similar effect to the other technique I described above, but more straightforward. Now if only I could get it faceted...
Not sure why a light setup wouldn't work ? Don't have Max here, so i can't test but i assume it does. See the setup here. http://www.bencloward.com/tutorials_normal_maps11.shtml You'd prolly need a negative Z light aswell. Those are directional lights so their position doesnt change anything. Render the diffuse pass only,…