@ Minc : Thx! cool periodic tilling!

Here a Lino maker :) http://www.protozone.net/ASHOCK/AJLino.html
A funny circle one http://www.geocities.com/SoHo/Exhibit/8033/room/circle2/mcircle.html

See the Art part! http://www.dartmouth.edu/~matc/math5.pattern/syllabus.html

About Penrose Tiling ;)
http://www.ics.uci.edu/~eppstein/junkyard/penrose.html !!!

An astonishing penrose Program !
http://www.westmaster.com/zidek/research/

And this fascinating Muqarnas !!! http://www.tamabi.ac.jp/idd/shiro/muqarnas/default.htm

Have fun Tiling!

PS Don't miss this true gem!!! 2 progs: one online bottom page for conform deformation with formula
and the other : the incredible Knots bag
(scrool the page for see magnificious images of the prog!
http://pagesperso-orange.fr/hypatiasoft/F_index.html french
http://pagesperso-orange.fr/hypatiasoft/index.html english



Here the Zbrush.fr Home page image with the Online Conform deformation (repeat 5 times) :)
Amazing is't it?


Here the Moi Home Page :) All with the formula Z^2*3 repeat sometimes :)