Corner sofa Biba Salotti Brad
Link to the manufacturer’s website:
https://alterego-mebel.ru/item/biba-salotti-brad 

Sofa dimensions: 2470x3020x630mm
Units: Millimeters
Render: Vray Corona
Formats: 3Ds Max 2012 OBJ

When using a model in obj format add a turbosmooth modifier.

When using a model in max format enable the turbosmooth modifier.
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For those who work in a VRay 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. Choose Blinn Phong or Ward – which is preferable for you.
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For Corona render it is recommended to install a version of at least 1.5 since the glossiness of materials is configured with PBR in mind.