사이클로이드 기어 빌더

British Standard 978, Part 2

http://www.csparks.com/watchmaking/CycloidalGears/

http://www.csparks.com/watchmaking/WheelCutting.html

http://www.hessmer.org/blog/2012/01/28/cycloidal-gear-builder/

DRH_GearBuilder_v1.1.zip