The Roman blind is made of grey and black matting with a geometric pattern.

The scene contains a curtain in 8 variants and in two colors. The material of the model can be easily changed.
Maximum curtain size 120x60.
Model materials are set up for Corona Renderer - Physical Material.

The mount and the curtain opener are not smoothed. To smooth them, use the Turbosmooth, Open Subdiv or Mesh Smooth modifier.