Hypotrochoids are mathematical curves traced by a point in a circle (your pen) rolling around the inside of a bigger circle. These curves have been studied by mathematicians for centuries. Hypotrochoid formulas are complicated, but creating hypotrochoid art is easy and fun!!
Metal box contains: two hypotrochoid templates each with 3 gears and red, blue and green pens.
- Box: 8.5 inches x 3.5 inches x 1 inch - Item #: W4083