Created in Autodesk 3ds Max 2012 64-bit.
3ds Max model comes fully shaded and ready-to-use for the V-ray renderer.
For this scene you will need V-Ray 2.20.03 or higher.
Materials created based on VRayDirt.
Scanline versions contain model with simple Standart material.
All other formats contain no material definitions and some of the meshes need subdividing.
The elements of model provided as Editable Poly with turned on NURMS Subdivision (render iteretions).
Scene contain only stair.
I designed and modeled this stair myself.