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Tutorial 07: How to Model an Eccentrically Cycloidal Drive in Blender

The recently invented Eccentrically Cycloidal (EC) drive is closely related to the hypocycloid drive described in our Tutorial #5. From the modeling point of view, these two mechanisms are very similar as they are built around the same basic shape - the cycloid disk. Both tutorials even use the same online calculator. With the help of this calculator, designing a functional EC drive will only take a few minutes. This tutorial also tests the EC gear pair for compatibility using Blender's Rigid Body Physics engine.

Be aware that the EC drive is covered by a number of US and international patents. For more information about the EC gear drive, its technical characteristics, and its patents, please go to www.ec-gearing.com. We are not affiliated with this company in any way. However, this tutorial was created and published with their explicit permission.

Related: Hypocycloid Gear Calculator, 3D-Printable Eccentrically Cycloidal (EC) Gear Model