Modern Marble Doorways The model has a turbosmooth modifier enabled for rendering. The model is saved for 3ds Max 2021, if you have a lower version, the fbx file will suit you Corona version 10 CoronaLegacyMtl Materials In CoronaRender 6 and below CoronaLegacyMtl=CoronaMtl CoronaLegacyMtl requires Corona Renderer version 1.5 or higher