Thomas Chair:
595 x 610 x H 835 mm
https://mebelcity.com/catalog/stulya/metallicheskie_stulya_disaur_ne_dlya_prodazhi_na_marketpleysakh/64697/ 


Without Turbosmooth modifier:
Polys: 5,734
Verts: 5,905
With Turbosmooth iterations 2 modifier:
Polys: 181,664
Verts: 91,897

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 PBR into account.