I made the curtain idea prototype at the same time. At first, I drawing the idea for making real test object in CAD. The size is more smaller than real show window but I believe it can show the movement with human action.
Drawing_01
Drawing_02
I use the laser cutting machine for making the real model. And this idea needs for covering behind something, I use the string curtain. I will test with this next time.
Laser cutting results
Assembling_01
Assembling_02
Assembling_03
String curtain
Attach the curtain
Final model