Corona 9 versionnMaterials CoronaLegacyMtl + VraynIn versions of CoronaRender 6 and below CoronaLegacyMtl=CoronaMtlnCoronaLegacyMtl requires a version of Corona Renderer at least 1.5 since the cards are designed to use PBR (roughness-metallic)nnVersion Vray 6nVray materials obtained using Vray-converternThose who work in a V-Ray version lower than 3.1 be careful in the materials in the BRDF section there is Microfaset GTR (GGX) if your version is older than 3.1 then the BRDF field will be empty. Choose Blinn Phong or Ward – whichever is preferable for you.nAll cards are designed for the PBR roughness-metallic workspace.nnTextures and materials have logical namesnTexturing UnwrapUVW