Sofa: ULIVI Hector Units: Millimeters Polys: 285.160 Verts: 240.136 UV Mapped: Yes Render: Vray, corona Formats: 3Ds Max 2017, OBJ 2800 x 1070 x 800h _______________________________________________________ Who works in 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 - which is preferable for you