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Terminator : Dark Fate © Paramount Pictures

MaterialX GumBall Model by FabioSciedlarczyk Lama is a state of the art material layering system developed at Industrial Light & Magic that introduces a modular approach to building material networks and includes recent shading R&D work on energy conservation and dispersion. 

The MaterialX Lama project represents ongoing R&D into materials at ILM, and represents one facet of the larger MaterialX project.  RenderMan will be able to take advantage of this work as it evolves.
  

MaterialX Lama node composition also offers a simpler built-in mechanism for energy conservation and other properties, because of its fundamental focus on layering of physically based responses.

You now have the very best of both worlds, being able to mix Lama and PxrSurface materials on the same asset, allowing you to mix and match to your creative shading requirements.

MaterialX Lama is battle-tested and in daily use at ILM and RenderMan will be able to take advantage of ongoing work as it evolves.

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