Rikon chair:
585x470x H785mm
https://dg-home.ru/catalog/stulya/stul_rikon_gray__wood_naturalnyi/ 


Polys: 47,450
Verts: 23,229

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.