These remind me of boxes Arnold Tubis and V'Ann Cornelius taught me from their book "Unfolding Mathematics". The topper can stay as a Sullivan XYZ, or be made into a Fujimoto hydrangea, Thoki Yenn cubefruit, Shen omega star, Mitchell Enigma Cube, Andrea's rose, and on and on.
https://plus.google.com/115624021374660826601/posts/eEQWtiuQnEz With best wishes, Galen T. Pickett https://www.etsy.com/shop/GeometricOrigami
