I came across these pendant lights, made by Hiyoshiya, at the Japan by Design section of the ICFF. The picture doesn't do them justice, since my photography depends more on luck than skill and luck seems to have deserted me here.
The lights are actually made of bamboo and fabric-like washi paper but can be custom-made with your own fabric or paper. They are constructed like traditional Japanese umbrellas and fold down to a very small size for storage and portability. You can see better images here.