The stage consists of 12 radiator models (6 horizontal, 6 vertical).

Total in the scene:
Polys: 31,764 (in fbx. 1 file 016,448, without anti-aliasing 31,764)
Verts: 31,800 (in fbx. 508 332 file, without anti-aliasing 31,800)

In the max file. The Turbosmoth modifier has been applied to the objects (2 rendering iterations).
In the fbx file. The OpenSubdiv modifier has been applied to the objects (2 iterations).

Material management - CoronaSelect.

The CoronaRenderer version is 10.
In CoronaRenderer versions 6 and lower, CoronaLegacyMtl is CoronaMtl.
CoronaLegacyMtl requires a version of Corona Renderer at least 1.5, since PBR is taken into account.

Caleido BENT Vertical Radiator Design

Design by Alessandro Canepa
Design Collection

https://www.archiproducts.com/ru/%D0%BF%D1%80%D0%BE%D0%B4%D1%83%D0%BA%D1%82%D1%8B/caleido/bent_422452 

Caleido BENT Horizontal Radiator Design

Design by Alessandro Canepa
Design Collection

https://www.archiproducts.com/ru/%D0%BF%D1%80%D0%BE%D0%B4%D1%83%D0%BA%D1%82%D1%8B/caleido/bent_422456