Corona version (8) In versions of CoronaRender 6 and below CoronaLegacyMtl=CoronaMtl CoronaLegacyMtl requires Corona Renderer version 1.5 or higher, since the cards are designed to use PBR (roughness-metallic) Roman curtain Curtain width: 700mm TurboSmooth modifier is applied to the model, Render Iters 1