3D Printers, Arduino, CAD, Fusion 360 Learn Fusion 360 LESSON 9: Design Helical Gears for 3D Printers November 22, 2017 admin In this lesson we show you how to design Helical Gears. These gears can easily be printed on 3D printers. WE show you how to design a variety of inter meshing gears. Enjoy!