Supported MTL file format statements

[sczerwinski]

♻️ This comment will be updated every time the supported MTL file format statements set is extended.

Comment below to request support for other MTL file format statements. Provide a reason why the new feature is required. Most voted and most reasonable requests will have priority.

Material name

• material name (newmtl)

Material color and illumination

Only RGB colors are supported.

• ambient reflectivity (Ka)
• diffuse reflectivity (Kd)
• specular reflectivity (Ks)
• transparency (Tr)
• transmission filter (Tf)
• illumination model (illum)
• dissolve (d)
• specular exponent (Ns)
• reflections sharpness (sharpness)
• optical density (Ni)

Extended color and numeric statements

• emission (Ke)
• roughness (Pr)
• metalness (Pm)

Texture map statements

• ambient reflectivity texture (map_Ka)
• diffuse reflectivity texture(map_Kd)
• specular reflectivity texture (map_Ks)
• specular exponent texture (map_Ns)
• dissolve texture (map_d)
• displacement texture (disp)
• stencil decal texture (decal)
• bump texture (bump)

Reflection map statement

• reflection map texture (refl)

Extended texture map statements

• emission texture (map_Ke)
• roughness texture (map_Pr)
• metalness texture (map_Pm)
• normal map texture (norm)