How to make an origami Icosahedron from a single sheet of paper
Designed by Jo Nakashima and Shuzo Fujimoto (original)
Difficulty level: simple
The original version by Shuzo Fujimoto
Instructions from the book Solid Origami (1976). It is simply a long rectangle divided into three rows and a triangular grid. The third step is closing it with tape.
My changed version – Crease Pattern
Apparently people where less strict about using tape/glue in the past. Nowadays most enthusiasts would probably consider it cheating.
I’ve found a solution to lock it without tape/glue by simply not folding all the lines of the triangles on the top and bottom rows. This will make the internal flaps all keep pointing to the same side when closed . I also didn’t like the non standard paper sizing, so I made it with half of a square.
20 sided dice printable pattern
You can download and print the pattern below to make a 20 sided dice. Note that it won’t be balanced as the paper isn’t equally distributed and, although the model can be folded in small sizes, it gets more biased.
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