Yellow office chair and desk Units: mm Polys: 94539 Vertex: 59313 Render: Vray Formats: 3Ds Max 2014, 3Ds Max 2015, OBJ, FBX, 3DS 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