HDRoom
Nice!
Size 56x60x208 cm and 75x75x182 cm
-If using import formats, apply MeshSmoth with 2-3 iterations. -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 lower than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - which is preferable for you