The model is made to the PBR standard. 3 materials were used.
Wood material - tiled textures.
Fabric material (leather) - PBR textures.
Material of additional elements - PBR textures.
UV maps on wood material mixed and overlapping.
UV maps on fabric and additional elements non-overlapping.
Objects on wood material - polygonal model.
All others can be used for turbosmooth.