Computer Gear

Classic Hypotrochoid Art Set traces out hypotrochoid and epitrochoid curves turning math into beautiful art. It's easy and fun -- a hypotrochoid is a roulette traced by a point attached to a circle of radius r rolling around the inside of a fixed circle of radius R, where the point is a distance d from the center of the interior circle. (#9617) Makes the perfect stocking stuffer! A ComputerGear Exclusive. Item in stock unless noted above.