More curtain models:
https://3dsky.org/collection/shared/5249944 

Collection of transparent and translucent linen roller blinds
Minimalist geometric prints
Color of fabric is easily adjustable via Corona Color or Vray Color
5 curtains of different widths - 2500/2000/1500/1000/750 mm
The length of all curtains is 2500 mm, easy to edit to a different size.

3dsmax 2013 and FBX file with Vray materials
3dsmax 2013 and FBX file with Corona materials
Preview materials from Corona
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All CoronaLegacyMtl materials compatible with older versions of Corona

For Vray versions below 3.1, some materials may not be displayed in MatEditor and during rendering. To fix this, set the value to Blinn in the BRDF section.