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Flexagons

I saw this book structure in several of Alisa Golden's bookbinding books and decided that I would learn how to make them as my September Challenge.  The first one was made by Arthur Stone, a Princeton Math Graduate student and through the years math geniuses added to these geometric book types.  See a brief history here.

I started with a simple Square Flexagon and had a little confusion about how to "open" the pages.  I made it from an 81/2" square and when folded it opens into 4 four inch pages.   

If I close my pages, and rotate the square clockwise, the next page continues my story.  Just to test it, I made a little book on using primary colors to make secondary colors.  Here are the 4 pages that open from my 4" square.  I'm going to take it to my grandchildren this weekend and play some more!

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My instructions from Alisa Golden made a flexagon with 4 Pages - or sides. Here is a video I found that is the same square flexagon with 6 Pages - or sides. 

Here are two YouTube videos about Trihexa and Hexahexa Flexagons.  These are the toys of mathematicians!  I plan to try 3 more flexagon structures and will add more information when I do.  The challenge, however, is developing these books as artists' books by adding words and drawings.

Comments

I taught myself Coptic binding this past week and I'm still working to perfect it. I don't think I'm ready for flexagons yet.

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