by Kathy Knapp
(Peoria, Illinois, USA)
I used 3 pieces of 12 inch scrap-booking paper. The center piece has a small tear due to the stress on the paper. It really spins.
by Yones
(Persia)
I made this model with 30 rectangular sheets of paper. Size of rectangle paper is 3.4 from square paper with double rabbit ear fold. Unit is the same as same the Sonobe unit