Andrew Hans <drib...@gmail.com> wrote: > I remember years ago there was a rather simple model that when folded and > laid down it would rise up as the paper relaxed.
In case no-one else has already mentioned it, this design is by Seiryo Takegawa (or Takekawa) and, In English, is usually known as the Magic Tipper. I don't know what the original Japanese title was. Details of some places it can be found are on Gilad's site at https://www.giladorigami.com/origami-database/Magic+tipper+Takekawa%2BSeiryo Dave
