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 ...

Exhibited at MINDCRAFT 11 earlier this month at the annual Milan Design Week, Eske Rex's room-sized drawing machine looks like a medieval torture device, bulky and unwieldy, rough and unfinished. But ...

Stepper motors are great for projects that require accurate control of motion. 3D printers, CNC machines and plotters are often built using these useful devices. [InventorArtist] built a stepper-based ...

Wikipedia describes Spirograph as a “geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids.” While that all sounds very ...

The Epson ET-2980 is a great value at its full price, and the discount sweetens the deal. Two Titanic Structures Hidden Deep Within the Earth Have Altered the Magnetic Field for Millions of Years A ...

If you despise the monotonous and repetitive motions needed to produce beautiful designs on a Spirograph, just do what student Robert Howsare did. For just $50 he turned a couple of old turntables ...

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 ...