Geometry Center
Geometry Center
http://www.geom.uiuc.edu/
Geometry of the I Ching
Geometry of the I Ching
http://m759.freeservers.com/phiching.html
Grotesque Tesselations
Grotesque Tesselations
http://www.cromp.com/tess/home.html
Hopf topology archive
Hopf topology archive
http://hopf.math.purdue.edu/
Geometry and Topology
Geometry and Topology
http://www.maths.warwick.ac.uk/gt/
Euclides elementen
Euclides elementen
http://aleph0.clarku.edu/~djoyce/java/elements/toc.html
Binary tetrahedral group in SU(2)
Binary tetrahedral group in SU(2)
http://www.math.sunysb.edu/~tony/bintet/index.html
Erich Packing Centre
Erich Packing Centre
http://www.stetson.edu/~efriedma/packing.html
Erich's puzzle palace
Erich's puzzle palace
http://www.stetson.edu/~efriedma/puzzle.html
Islamitic patterns
Islamitic patterns
http://www.cgl.uwaterloo.ca/~csk/washington//taprats/
Japanse puzzels
Japanse puzzels
http://www.playtsunami.com/puzzle/tsunami.cgi?list=puz
Topology Atlas
Topology Atlas
http://at.yorku.ca/topology/
Trisection of an angle unraveled
Buy or sell tri color led online? find new opportunities here!
http://www.trisectionunraveled.com/
Virtual geometry museum
Virtual geometry museum
http://www.kubrussel.ac.be/geometry/begin.html
Visuele wiskunde
Visual mathematics, e-journal of isis-symmetry
http://members.tripod.com/vismath
Tesselations
Tessellation and brain teaser puzzles and posters for educational dealers, stores, and schools.
http://members.cox.net/tessellations/index.html
Paper models of polyhedra
Free paper models: platonic solids, archimedean solids and many other polyhedra
http://www.korthalsaltes.com/
Kali-Jot Symmetry Drawing
Kali-Jot Symmetry Drawing
http://www.geom.uiuc.edu/apps/kali-jot/about.html
N-D Polytopes
n-D Polytopes
http://www.cs.utah.edu/~gk/peek/peek.html
Origami paper mosaics (tesselations software)
origami paper mosaics (tesselations software)
http://www.papermosaics.co.uk/
Voronoi diagrams
Voronoi diagrams
http://www.ics.uci.edu/~eppstein/gina/voronoi.html