I have been playing with felt. No idea how many 1" circles I cut, but the length of the rope is around 15 feet. I attached one end of it to a hook in the ceiling of my kitchen and tied the rope into a loose know. This is how it looks:
And a close up:
I got addicted a bit, and made some smaller ones - still around 8-10 feet - in different color schemes. They will end up in front of my studio windows.