ShadingModel=lit # Required Aspects BlendingMode = ${BLENDING} VertexColors = optional BaseColorTexture = optional NormalTexture = optional OcclusionTexture = optional EmissiveTexture = optional MetallicRoughnessTexture = optional TextureTransforms = optional # KHR_materials_specular Features Specular = optional SpecularTexture = optional SpecularColorTexture = optional # ClearCoat Features ClearCoat = optional ClearCoatTexture = optional # Sheen Features Sheen = unsupported SheenColorTexture = unsupported SheenRoughnessTexture = unsupported # Transmission and IOR Features Transmission = unsupported Ior = optional TransmissionTexture = unsupported # Volume Features Volume = unsupported VolumeThicknessTexture = unsupported # KHR_materials_dispersion Features Dispersion = unsupported