Grim Chair:
700 x 725 x H 715 mm
https://ufa.nonton.ru/mebel/myagkaya-mebel/kresla/kreslo-grim-seroe/?OFFER_ID=365886&city_confirm=Y 


Without Turbosmooth modifier:
Polys: 8,016
Verts: 7,660
With Turbosmooth iterations 2 modifier:
Polys: 21,552
Verts: 13,484

The Turbosmooth modifier with Isoline Display was applied to the required objects;
There is an FBX file (if necessary, apply the Turn To Poly modifier to the FBX file);
For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of materials is configured taking into account PBR.