Diffuse materials like concrete are characterized by their high roughness. Typical diffuse materials like walls, paper, and concrete have a roughness near 100%. A value of 100% represents a fully diffuse material (also called Lambertian). This is the simplest type of material.
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The basic structure of a plain diffuse material like concrete. You can download this material example here.
concreteTadaoAndo by joe_rivetto | seamless arrows floor by artaud |
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