Paper Folding Details of a book which teaches math through origami. http://www.lwcd.com/paper-folding/

Jim Plank's Origami: Modular Diagrams and gallery of many geometric models. http://www.cs.utk.edu/~plank/plank/pics/origami/origami.html

Modular Origami Instructions, diagrams and pictures of various modular models in English, German, and Russian. http://www.geocities.com/golics/index_en_sum.htm

Paper Models of Polyhedra Gallery, diagrams, and VRML of the models. http://www.geocities.com/SoHo/Exhibit/5901/

Tom's Origami Gallery Personal gallery of modular and tessellation models. http://web.merrimack.edu/~thull/gallery/modgallery.html

Geometry Junkyard: Origami Resource listing of links for information about the relationship between origami and geometry. http://www.ics.uci.edu/~eppstein/junkyard/origami.html

Origami Mathematics Mathematics of paper folding; includes a bibliography of articles and journals, Combinatorial geometry syllabus, and a tutorial on geometric constructions. Photo gallery of completed modular, geometric, and tessellation models. http://web.merrimack.edu/~thull/OrigamiMath.html

Meenakshi's Modular Mania Image Galleries of original modular models as well as picture links to other designs. http://www.geocities.com/mmukhopadhyay/origami.html

Krystyna Burczyk's Origami Photographs of her origami models of regular polyhedra. http://www1.zetosa.com.pl/~burczyk/origami/galery1-en.htm

Triangular Faced Origami Polyhedra Designed by Helena Verrill with Kazuyo Inoue. Instructions and graphics. http://hverrill.net/pages~helena/origami/tetraunit/

The Calculus Of Origami This site is about Math and Origami, it defines a notation for folds, based on points and edges, and some links for papers on math and origami http://community.core-sdi.com/~gera/origami

Teaching Mathematical Thinking Through Origami Suggestions for using origami to teach concepts in mathematics, with diagrams of models. http://rachel.ns.purchase.edu/~Jeanine/origami/

Mathematical Origami It highlights origami models and techniques with a mathematical flavour. http://www.mat.unb.br/~lucero/orig_e.html

Money Origami Illustrated instructions for making several designs out of dollar bills. http://members.cox.net/crandall11/money/