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What is metalness in material specifications?
What is metalness in material specifications?
Updated over 11 months ago

The "metalness" value, determines the degree of metallic lustre of a material represented in renders.

Metalness Value: Metalness value, in essence, determines how much metallic lustre an otherwise solid colored material can produce in the renders.

Customizing Metalness Value: The ability to customize the metalness value is a valuable tool in achieving the desired appearance of materials in your renders. When working with materials that exhibit a high degree of reflection, such as polished metal surfaces, you may opt for a higher specular value, often ranging from 0.5 and above. This enhances the reflectivity and shine of the material, mimicking real-world polished metal surfaces.

In contrast, when dealing with matte surfaces, where light reflection is minimal, you can decrease the metalness value. Below is a comparison chart of the effect of metalness on a surface at various degrees:

Effect of Roughness: When creating relatively rougher/matte metal surfaces (such as rusty, corroded or textured metallic surfaces), a roughness value greater than zero can be simultaneously assigned. Below is a comparison chart that best explains the combined effects of metalness and roughness values on a surface:

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