# Flexagons and Kaleidocycles, also Moebius Strip

## MATHEMATICAL CONCEPTS, inc.

These thoroughly scientific entities are perhaps seemingly magical. This page contains links to a collection of flexagons and other paper entities which employ sound topological mathematics but to a novice also exhibit an unusual twist.

Use any of the following for nonprofit purposes. But, please state the source and give credit to the author. To download a graphic you can right click on the graphic and save it as desired.

Enjoy!

 "Hexaflexagon Construction "Take a chain of congruent triangles on strip of paper, fold it, and the fun begins. Found at http://www.mathnstuff.com/math/papers/tetra/hexa.htm "Hexaflexagon From Plain Paper Construction "Take a sheet of paper and determine the width of the paper to create the required chain of congruent triangles. Found at http://www.mathnstuff.com/math/papers/tetra/strip.htm "Moebius Strip Construction "Take a strip of paper, twist it, and the fun begins. Found at http://www.mathnstuff.com/math/papers/tetra/moebius.htm "Ernest Ranucci's Tetra-tetra Flexagon" Take a sheet of paper, fold it, and the fun begins. Directions for folding and the front and back of an illustrated tetra-tetra flexagon. Found at: http://www.www.mathnstuff.com/papers/tertr/tetra.htm A Large graphic of a Tetra-tetra Flexagon" Found at: http://www.www.mathnstuff.com/papers/tertr/tetra1.gif Another Large graphic of a Tetra-tetra Flexagon" Found at: http://www.www.mathnstuff.com/papers/tertr/tetra2.gif "Kaleidocycles"Take a sheet of paper, make a chain of pyramids, and ... Found at: http://www.www.mathnstuff.com/papers/tetra/kalei.htm "A Big Kaleidocycle" Found at: http://www.www.mathnstuff.com/papers/tetra/kalei2.gif "Another Big Kaleidocycle" Found at: http://www.www.mathnstuff.com/papers/tetra/kalei4.gif

## MATHEMATICAL CONCEPTS, inc.

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