Miura-ori
A zig-zag grid of alternating mountain and valley lines.
A repeating grid of zig-zag folds that opens and closes in one motion: pull two corners and the whole sheet unfolds.
HistoryInvented by Japanese astrophysicist Koryo Miura. It folded the solar array of Japan’s Space Flyer Unit satellite, launched in 1995, and is used for maps that open in one pull.