The Miura fold is a simpler way to accomplish this, requiring only a single diagonal force to unfold it. It's pretty handy for (disposable) maps, too! http://

The Miura fold is a simpler way to accomplish this, requiring only a single diagonal force to unfold it. It's pretty handy for (disposable) maps, too! http://en.wikipedia.org/wiki/Miura_fold http://en.wikipedia.org/wiki/Miura_fold