This is a collection of web pages supporting the monograph Geometric Folding Algorithms: Linkages, Origami, Polyhedra. In particular, the pages consist of the book's table of contents and errata; an electronic copy for owners of the physical book; applets and other supplementary material; related PowerPoint presentations; and a survey paper that in some sense a short form of the book.

Monograph: Geometric Folding Algorithms: Linkages, Origami, Polyhedra

Erik D. Demaine and Joseph O'Rourke.
Cambridge University Press, July 2007. xii+472 pages. ISBN 978-0-521-85757-4.

• Cambridge University Press page.
• Amazon page
• Table of Contents (PDF)
• Errata (6Jun2026)
• Closed Open Problems
• Special page for owners of the book (including an electronic PDF copy)
• Japanese translation by Ryuhei Uehara
• Related book: How To Fold It: The Mathematics of Linkages, Origami, and Polyhedra (2011)

Updates to selected Chapters/Sections

(Last Updated: )

Part I updates: Linkages

Part II updates: Paper

Part III updates: Polyhedra

Supplementary Material:  Applets, Links, etc.

• Part I: Linkages
• Part II: Paper
• Part III:Polyhedra

Survey Paper (2005)

Erik D. Demaine and Joseph O'Rourke,
"A Survey of Folding and Unfolding in Computational Geometry"
in Combinatorial and Computational Geometry,
Eds. Jacob E. Goodman, Janos Pach, Emo Welzl.
Mathematical Sciences Research Institute Publications, Vol. 52, Cambridge University Press, 2005, pp. 167-211.

PowerPoint Presentations (2003-2007)

• 20-23Aug03, Mathematical Sciences Research Institute: MSRI link
• 11Sep03, University of Southern Alabama: 25MB .ppt file
• St. Mary's Reconnect Lectures, July 2004
• D&CG: Twenty Years After, Snowbird, Utah, 18 June 2006 (7.6MB .ppt file)
• "Unfolding Polyhedral Surfaces", Workshop on Polyhedral Sufaces and Industrial Applications, Strobl, Austria, 15-18 Sep 2007 (8.1MB .ppt file)