Some shading exercise on clay.
The model can be downloaded from the Stanford 3D Scanning Repository and consists of around 7 million triangles. All HDR images I used are courtesy of Paul Debevec.
The main intention was to try to find a way to quickly and believably light and shade a model without having to mess around with textures, UVs and crap. This bothered me because I see such great and talented modellers, like e.g. Giovanni Nakpil, with works beyond belief, but often poorly (if at all!) lit and shaded. It would be rather easy to give the digital sculptures that little analog, clayish touch.
A mel script to set up your model scene with the shader and proper rendering settings is available in the thread, see below. All you need aside is a nice HDRI, like the Uffizi one or similar.