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 ...

[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 ...

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 ...