Who works in V-Ray version is lower than 3.1. Be careful, in some materials in the BRDF section there is a 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 to you.
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All items have the correct scan
Scene in mm. Texture paths are erased. Model in the center of coordinates. Geometry in Edit Mesh. ResetXForm applied to objects. Model and textures have individual names.
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Products webpage:
https://www.bebitalia.com/en/sofa-edouard