Modular Origami
- http://hektor.umcs.lublin.pl/~mikosmul/origami/
- Images of modular origami models folded by MichaĆ Kosmulski. Model categories include: fractals and IFS, interesting mathematical objects, polyhedra and balls, spiked balls and stars.
Origami Mathematics
- http://www.merrimack.edu/~thull/OrigamiMath.html
- 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.