& Math by Eric M. Andersen PaperFolding Geometry at en:cut-the-knot Dividing a Segment into Equal Parts by PaperFolding at en:cut-the-knot Britney Gallivan
Origami Page Origami Mathematics Page by Dr. Tom Hull Rigid Origami by Dr. Tom Hull Origami & Math by Eric M. Andersen PaperFolding Geometry at en:cut-the-knot
Theory of Conic Sections in Antiquity] (Copenhagen 1886; reprinted Hildesheim 1966). 角の三等分問題 ピアポント素数 指矩 MathWorld page Angle Trisection by PaperFolding
(2014年6月18日). “17 Pieces Of Origami From A Huge New Show About PaperFolding” (英語). Gizmodo Australia. Gawker Media. 2023年3月23日閲覧。 ^ “Treasures of Origami Art at