Evan chair from Divan.ru

Сorona 6, Vray 5.
The file contains one chair and 5 materials on the balls.
The colors are as shown in the penultimate render.
But all the colors can be easily changed to any one through Color.

(Polys 3030) without the Turbosmooth modifier, shown on the grid.

There is a Turbosmooth modifier on the object to facilitate work in the viewport (0 iteration in the viewport, 1 iteration in the render).
In OBJ, the stack is collapsed.

https://www.divan.ru/product/stul-evan-bucle-terra