Flexagons

Flexagons - 1962 technical report which includes an introduction to the history of Flexagons.

Flexagons - Includes a definition of the word, instructions on how to make a Trihexaflexagon, how to flex it and information about it and another flexagon.

Flexagons - Contains instructions on how to fold a flexagon, history of flexagons and printable models of some.

Hexaflexagon Toolkit - A free application that can generate a hexaflexagon template and folding instructions from six user selected images. Examples Source Code included.