Guilloche.swf (application/x-shockwave-flash Object) [http://www.subblue.com/assets/0000/2204/Guilloche.swf] - 2009-07-11 19:48:16 - public:lowly art, cool, design, flash, fun, graphics, kim, maths, spirograph, symmetry - 10 | id:179877 -
Kali: Symmetry group (Science U) [http://www.scienceu.com/geometry/handson/kali/kali.html] - 2008-02-23 18:07:42 - public:lowly drawing, kids, patterns, symmetry - 4 | id:180233 -
