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 ...