CHAPTER III.
CREASE PATTERNS
var cp = new CreasePattern().birdBase ()Paper
Load crease patterns from a file and it will attempt to interpret mountain valley assignment
origamiPaper.load ("crane.svg" )Creases
Creases are planar graph edges with more properties.
CreaseDirection {
mark,
border,
mountain,
valley
}This generative twist is flat-foldable