Bern Chair, DeepHouse
https://deephouse.pro/stulya_list/stul-bern-nyu-pepelnaya-tkan-massiv-buka-tsvet-chernyy/ 
The color of the fabric on the model can be specified in the Color Map.
The manufacturer's catalogue offers the opportunity to choose your own fabric and wood finishing option.
The model is made using Turbosmooth, the modifier is enabled (display in the viewport - 0 iterations, in the render - 1 iteration), Turbosmooth is disabled in the OBJ file
Materials CoronaPhysicalMTL, CoronaLegacyMTL=CoronaMTL, Vray
Corona version 11
In CoronaRender versions 6 and below
CoronaLegacyMtl requires Corona Renderer version 1.5 or higher, as the maps are designed to use PBR (roughness-metallic)
Vray version 5
Vray materials are obtained using Vray-converter
If you're using a V-Ray version earlier than 3.1, please note that the BRDF section in the materials displays Microfaset GTR (GGX). If your version is older than 3.1, the BRDF field will be empty. Select Blinn, Phong, or Ward – whichever is more convenient for you.
All maps are designed for the PBR roughness-metallic workspace.
Textures and materials have logical names
Texturing UnwrapUVW