This is Procedural Design in Houdini .
Everything is generated, on the fly with PDG and custom process and algorithm from the head primitive. This is not a render by the way, just OpenGL capture
Sorry after upload , i realized my animated GIF seem not accepted by the server, image is not updating, and i can find a way to delete my post...
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Vincent Thomas (VFX and Art since 1998)
Senior Env and Lighting artist & Houdini generalist & Creative Concepts
http://fr.linkedin.com/in/vincentthomas