Master LEGO builder [Yoshihito Isogawa] has been on a roll lately, cranking out a number of robots that make drawings reminiscent of the classic Spirograph toy. For instance, he built an elegant ...
These stunning patterns are art pieces created by spirographs. Spirograph, a geometric drawing device, creates mathematical roulette curves known technically as hypotrochoids and epitrochoids.
In a 1995 The Simpsons episode, a mysterious Dr. S., who lived in the Spirograph factory, had an interesting theory about the correlation between the decline of Spirograph and the rise in gang ...
Spirographs can make some pretty groovy designs on paper, but what if you want to take it a step further? [Uri Tuchman] has used the pantograph on his milling machine to duplicate the effect in ...
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