This set, celebrating Spirograph’s 60th anniversary, features the first-ever electronic Spirograph. Kids can create thousands of designs by inserting the markers and pushing buttons to select the ...

[Uri Tuchman] has used the pantograph on his milling machine to duplicate the effect in harder materials. [Tuchman] starts with a quick proof-of-concept using an actual plastic Spirograph toy to ...

Most automated spirograph machines try to replicate the mechanics of the original toy using contraptions holding a pen or mirrors manipulating a laser, but as [Craig] shows, going down to the ...

A model of the famous toy known as a spirograph. A circle of radius r (see blue circle below) is allowed to roll around the inside of a circle of radius R (see black circle below). We assume that the ...