{
  "title": "Dragon curve stages after 1 to 16 folds: counts and edge checks",
  "description": "Counts and checks for a paper strip folded in half 1 to 16 times: segments, creases, valleys and mountains, end point, edges used twice, visits per grid point, the turned-copy check, and the four-copy check around one point.",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "Drawn Mathematics",
  "page": "https://drawnmathematics.com/fractals/dragon-curve/",
  "derived_from": [
    "Folding rule: hold the left end, lift the right end up and over onto it, the same way every time; creases read from the side that faced up; valleys turn left and mountains right; integer grid coordinates; no third-party data",
    "1 to 16 folds; four copies start at (0, 0) heading +x, +y, −x and −y; full square = largest square around the start whose every grid edge, border included, is used"
  ],
  "method": "Compiled by Drawn Mathematics from the data listed",
  "data_credit": [
    "Computed for this page from the folding rule: fold a strip in half the same way and open every crease to a right angle"
  ]
}