Command entry: Material Editor Standard material Shader Basic Parameters rollout Choose Oren-Nayar-Blinn from the drop-down list.

Command entry: Material Editor Raytrace material Raytrace Basic Parameters rollout Shading drop-down list Choose Oren-Nayar-Blinn.

The Oren-Nayar-Blinn shader is a variant of the Blinn shader. It contains additional "advanced diffuse" controls, Diffuse Level and Roughness, that you can use to give the material a matte effect. This shader is good for matte surfaces such as fabric, terra cotta, and so on.

Oren-Nayar-Blinn shading typically has a matte appearance.