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Flexagons - http://www.mathematische-basteleien.de/flexagons.htm
Includes a definition of the word, instructions on how to make a Trihexaflexagon, how to flex it and information about it and another flexagon. |
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Flexagons - http://erikdemaine.org/flexagons/Conrad-Hartline-1962/
1962 technical report which includes an introduction to the history of Flexagons. |
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Hexaflexagon Toolkit - http://hexaflexagon.sourceforge.net
A free application that can generate a hexaflexagon template and folding instructions from six user selected images. Examples Source Code included. |