Kolstad chair:
520x575x H735mm
https://dg-home.ru/catalog/stulya/stul_s_podlokotnikami_kolstad_plastik_seryi_/ 


Polys: 28 162
Verts: 13,851

The Turbosmooth modifier with the Render Iters and Isoline Display modes was applied to the necessary objects;
There is an FBX file;
For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of materials is adjusted taking into account PBR.