The Fairfax tall metal sconce linear loft style sconce from Crate and Barrel is suitable for indoor and outdoor lighting. In the scene 3d max 2 sconces black and brass color instance copies. In the obj file one sconce. Weight of one sconce: 12964 polygons https://www.crateandbarrel.com/fairfax-tall-black-metal-indoor-outdoor-wall-sconce-light/s351821 Version Corona 7, VRay 5 CoronaLegacyMtl + Vray Materials In CoronaRender versions 6 and below: CoronaLegacyMtl=CoronaMtl Those who work 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. Select Blinn, Phong or Ward - what is preferable for you. For Corona render, it is recommended to install version not lower than 1.5, since the glossiness of materials is configured taking into account PBR.