Shirbori Folding #12
And now, we're up to some 3D folding. Roll your square piece into a tube. And clamp it between those corner pieces from the hardware store:
Shibori Folding--no 11
More fun from the hardware store, fold your rectangular piece in a zigzag pattern:
Shibori Folding - no 10
Found this at the hardware store, it's an opener for paint cans, but I have my own plans with it.