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An example of this is provided below, wherein two different OSL shaders are used: one to create an wood texture (adapted from "Advanced RenderMan") and another to create a 2-layer material that looks like carbon fiber. For each surface type, the same material shader is used, but two very different OSL shaders are used to create the different looks.

Oak and carbon fiber, using two OSL shaders wired into PxrDisney

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