Irvin office chair from Divan.ru

Сorona 6, Vray 5.
The file includes: one chair and 5 materials on the balls. But all the colors can be easily changed to any one through Color.

(Polys 7065) 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/ofisnoe-kreslo-irvin-textile-beige 
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