In the scene there is a lamp with 3 colors of the ceiling
8500 polygons without smoothing
Height -1700mm,
Width - 980 mm,
Depth - 330 mm.
The object and materials in the scene have unique names. Texture paths have been reset.
Who works in a V-Ray version lower than 3.1 be careful, in the materials in the BRDF section there is a 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.