23 (7/5): Alchemy
July 7, 2011
Another trick using a long strip and spiral pleats. A similar helix shape is the result of interleaving a pair of pleat sequences as in the Infinite twist, but simple spiral pleats are easier and quicker. The sheet was formed by gluing back to back a pair of metallic paper strips, one copper the other gold color (whence the title of the piece).