[Tuchman] starts with a quick proof-of-concept using an actual plastic Spirograph toy to make sure it isn’t a totally unworkable idea. Unsurprisingly, the plastic is too flexible to give a ...

While the toy/drawing device has faded from the memory of many adults, their children and grandchildren are discovering Spirograph for the first time, which is quite the feat given that Spirograph ...

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 ...

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 ...

I will keep it forever. My favourite toy was Spirograph, a set of stencils that allowed you to make beautiful patterns. It was really popular when I was a kid. It wasn’t a fancy, expensive game ...