If you’re a child of the ’80s or ’90s, chances are you’ve spent hours tracing out intricate patterns using the pens and gears of a Spirograph kit. Simple as those parts may be, they’re actually a very ...

Dominating a whole room, it looks far too unwieldy to draw a geometric picture with a small ballpoint pen. But this giant Spirograph graphic images that are both huge and unique each time. Swedish ...

Programmer and musician Nathan Friend’s digital spirograph is oddly addictive. The spirograph, a familiar childhood toy, lets you make pretty, vaguely trippy designs even if you have zero artistic ...

Remember the Spirograph toys you had when you were a kid, which let you draw mathematically precise hypotrochoids and epitrochoids (or, as I called them, “neat shapes”) without cracking a sweat? What ...