The DuoGraph Makes Creating Pretty Spiral Patterns a Snap
Remember that nifty Cycloid Drawing Machine making the internet rounds back in March? Its inventor, Joe Freedman, is back with a smaller, simpler version called the DuoGraph, making it easier than ever to create pretty swirling patterns reminiscent of Spirograph. The Cycloid Drawing Machine is awesome, but it’s a complicated machine, and bulky to boot.…