Product news: this wind-up toy by British design brand All Lovely Stuff creates abstract art when let loose on a sheet of paper. Inspired by the cotton-reel tanks they played with as children, All ...

Not all of us have CNC machines, laser cutters and 3D printers, and I’ll bet most of us didn’t start out that well equipped. The low-cost drawing machine that [jegatheesan] made for his daughter ...

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 ...