While it is in the past, chasing links ( https://www.kickstarter.com/projects/465068187/wild-gears-20... to https://www.facebook.com/WildGearsPlay to http://www.wildgears.com ) brings you to http://www.ponoko.com/showroom/wonders which has the products for sale. Not in the cheap realm, but if one is a hypotrochoid fan, they are out there.