Reference: https://www.rehform.com/beton-shop/accessoires/ 
Dimensions: 20cm x 15cm x 4cm
4608polys (individual tile)
It's easy to change the color to any other via corona color / vray color.
Suitable for styles: modern, minimalism, modern, Scandinavian
The 3D model contains a designer modular system made of concrete. Used as a storage system or decoration. Can be combined and continued to any size. Smooth curves of an organic form.

You can use turbosmooth.
Suitable for close angles.
Objects contain correct texture mappings.
No plugins required.
All objects, materials and textures have logical names.
There are files: .MAX .FBX .OBJ, as well as all textures.
The scene is optimized for fast loading, there are no hidden or junk objects.