Classic beige curtains with Damascus pattern Roman curtain and window.
The model is saved in 3ds max 2015 Vray. The archive files max obj mtl and textures.
For a more beautiful result on visualization please apply the “Turbosmooth” modifier to all textile objects. Curtains are available in other colors and materials in my profile. Who works in the V-Ray version is lower than 3.1. Be careful in the 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.