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Another stellated polyhedron, made from Post-It notes... I've 'acquired' several different colors of post-its over the years, and it was thrilling to realize I finally had a use for them which realizes their full potential. (I'd been using them for notes!)

Each folded-up parallelogram is called a Sonobe unit, for reasons no one is entirely sure of. It is probably the most common module design in modular origami, and is very versatile, perhaps because it is easily subdivided into right triangles. These Sonobe units are slightly modified, with an additional long crease which makes their profile irregular in an interesting way.

( Construction photos... )