Other carpet models: https://3dsky.org/collection/shared/5303433 

Renderings for the preview were made in Corona Render 14. The model uses Corona Legacy Mtl. A version of Corona Render not lower than 1.5 is required.

The scene contains 5 carpets and 4 balls with materials applied to them. The textures are seamless, with a resolution of 4096 by 4096. UV mapping has been done for each carpet.

The materials use a displacement map.

Poly: 13,586
Verts: 13,476

Carpet Finest Shaggy Rug Lux by Benuta.
Colors: Bordeaux, Cream, Light Brown, Taupe.
Carpet shapes: Rectangular 120 by 170 cm, 160 by 230 cm, 200 by 300 cm.
Round with a diameter of 200 cm. Square 200 by 200 cm.

Those working in V-Ray versions lower than 3.1 should be cautious. In the materials section, the BRDF is set to Microfaset GTR (GGX); if your version is older than 3.1, the BRDF field will be empty. Choose Blinn, Phong, or Ward – whichever you prefer.