How To Make Curtain Material In Vray

After I published my Rosso scene, I had many requests and many people were asking me to prepare a tutorial about how to create a curtain shader. Here is the mini-tutorial I promised for Ronen Bekerman Forum which has been one of the leading and creative arch-vis sites that I feel happy to take part.
http://www.ronenbekerman.com/material-curtain-v-ray/

 curtain-preview

curtain-preview