How To Make a Hexaflexagon: The Definitive Guide

Thanks especially to: Caleb Wright, Albert Wenger, Jeremy Buchanan, Pat Devlin, Jack Heidrick, David Perryman, Wish Society, Carol Ghiorsi Hart, Chris Pierik, Andrea Di Biagio, Charley Sheets, Jodi Vezzetti, Andew Romaner, Yoni Nazarathy, Michael Tiemann, and Yana Chernobilsky.
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