The CELESTE chair by Roche Bobois
There is a Turbosmooth modifier on the object (0 iteration in viewport, 1 iteration in render). In OBJ, the stack is empty without Turbosmooth (as on the grid)

Size 620x585x745 with Turbosmooth modifier
The chair (Polys 8094) without the Turbosmooth modifier is shown on the grid.

There are 5 colors in the file, but the fabric colors can be easily changed to any color through Color.

https://www.roche-bobois.com/en-HK/product/celeste-armchair/1994.html