The inclusion of these desks resulted in a necessary reduction of the number of gears and wheels in order to off-set the component cost impact. These Spirograph sets gradually began to be ...

The spirograph has been around since the mid 60s ... before and there is nothing more satisfying than completing the full set of spins and ending up perfectly back in your starting position.

[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 ...