Each model comes with preset V-Ray and Corona materials. Cloth shaders (cotton, linen, velvet) are well-tuned – diffuse, reflectivity, and bump are all set up correctly.
Bottom line
For large scenes, use XRefs to load the bathroom assets. This keeps your main file lightweight until the final render. evermotion - archmodels vol 251
files, making the assets accessible to almost any 3D software. Each model comes with preset V-Ray and Corona materials