The model is made under the turbosmooth modifier. The Turbosmooth modifier is turned on (Interations 0, Render Iters: 1).

Visu Bar Stool by Muuto:
Dimensions: 42,4 x 41,8 x 89 cm.
Seat High: 75 cm

Visu Counter Stool by Muuto:
Dimensions: 41,3 x 40,1 x 79 cm.
Seat High: 65 cm

System unit mm / FBX and Obj included / No plugins used.