Factory: Wever & Ducre Model: Mirro, articles: 6311E8G (N) B0, 6312E8G (N) B0 Design by 13 & 9 Design polygons: 49 652, vertices: 25,096 https://www.weverducre.com/en/mirro-collection/ In the Multi / Sub-Object material there are two versions: silver and gold mirror. Turbosmooth stack is not collapsed. Who works in the V-Ray version is lower than 3.1. Be careful, in the materials in the BRDF section there is a Microfaset GTR (GGX), if your version is older than 3.1, the BRDF field will be empty. Choose Blinn, Phong or Ward - which is preferable to you. For Corona render, it is recommended to put a version not lower than 1.5, since the glossiness of materials is adjusted to fit PBR.