The scene contains a model of the Arezzo corner sofa, Dantone Home, and three materials in different colors.
https://dantonehome.ru/products/divan_aretstso_raskladnoy_uglovoy_levyy/ 
Size: length = 2750 mm, depth = 1870 mm, height = 970 mm.
Sofa, polygon count: 119,378
Decor (blanket + cushions), polygon count: 101,428
- Those working in V-Ray version lower than 3.1 should be careful, in the materials section BRDF is set to Microfaset GTR (GGX), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong, or Ward – whichever is preferable for you.
For Corona render, it is recommended to use a version no lower than 1.5.