Dollar Origami Tutorial: Impossible Rectangle "Umulius Rectangulum" aka Magic Rings (Thoki Yenn)

Tutorial for the basic Umulius Rectangulum:  ...  Paper used in this video: $1 bill Finished model: width of 7 cm or 2 3/4 in This video describes how to vary the folding sequence for the origami "Umulius Rectangulum" designed by