Series of LED ceiling lights with spherical lampshades of various diameters made of smoked glass LAMPATRON FERDIN C Width: 120-150-200 mm Height: 130-160-210 mm Polygons: 6236 Vertices: 6260 Turbo Smooth stack is open Those who work in V-Ray version lower than SP1, be careful, in the materials in the BRDF section there is Microfaset GTR (GGX), if your version is older than SP1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - what is preferable for you. https://www.lampatron.ru/cat/item/design-lamps-ferdin-c/