Curve sofa from MONOLOGUE

in the scene there are 2 models differing in the length of the sofa
there are 4 fabric materials in the scene

The model has the Turbosmooth modifier enabled when rendering the 1st iteration - 24452 polygons

sofa polygon without turbosmooth - 3068
with turbosmooth - 24452

Product link - https://www.monologuelondon.com/products/syd-curved-sofa 

Vray - converted

• in the archive:
•3ds max 2015 - corona + vray
•FBX - corona + vray

Corona version (9)
Materials used in the model: CoronaLegacyMtl - requires CoronaRender version no lower than 1.5

Those who work in a V-Ray version lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR (GGX), if your version is older than 3.1, then the BRDF field will be empty. Select Blinn, Phong or Ward