vray next update 1.2
Corona version: 5 (Hotfix 2)

The number of polygons is indicated without the TurboSmooth modifier.
The model is made for smoothing
Set one iteration during rendering on TurboSmooth

Stage organization:

- all objects are assigned names in the scene;
- real size of the world (system blocks - mm);
- all previews are rendered in 3ds max Corona;
- the model is completely ready for using visualization in 3ds max + Vray+Corona.

Poly: 50052
Verts: 52094

The archive includes
3d max corona 2017
fbx corona
fbx vray
3d max vray 2017

I took the dimensions from here https://santehnika-online.ru 

IDDIS Blanco BLAR3BMi25 wall hung toilet
Wall hung bidet IDDIS Blanco BLARB02i82
playful shower Boheme Uno 467
Flush button IDDIS Unifix UNI10B0i77
Bidet faucet Boheme Uno 466