Clever-folding tyvek San Francisco map, with out-of-the-way landmarks

Shan sez, "Our guide/map of SF is printed on a single sheet of A3 Tyvek, and is then folded up according to a technique originally developed at Tokyo University for satellite solar panels. The bistable nature of the fold means that it can be fully opened or closed in one smooth motion, and that there [...]

Source: http://boingboing.net/2012/01/31/clever-folding-tyvek-san-franc.html

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