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 ...

Spirograph, the strangely soothing mathematical drawing toy, has an online counterpart where you can doodle whirls and curves to your heart’s content. Remember Spirograph? The toy set that came with ...

When a British engineer named Denys Fisher introduced the first Spirograph set at a toy fair in 1965, he tapped into a demographic of non-artists who really wanted to create art. Those sprocketed ...

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 ...