Origami: Ray icosahedron

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This was built using Ray Cube units, designed by Meenakshi Mukerji, contained in her book, Origami Inspirations.

This model shows how you can take a standard unit, and make something more out of it.  First, this is obviously not the cube it was designed to be.  Second, the colors form deliberate patterns.  It’s not difficult to make, but required a bit of planning.

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Origami: 108 degrees

This is a monthly feature wherein I show off my origami skills, mourn my photography skills, and talk about math.  I primarily do modular origami.

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A dodecahedron made of 108 degree modules, apparently invented independently by Robert Neale and Lewis Simon.

I think this is a fairly simple model, since it comes from Beginner’s Book of Modular Origami Polyhedra. But once I tried to teach it to kids, and it’s not a great model to teach to kids, trust me.

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