[Levi Janssen] recently had to build his own for a college project, however, and learned a lot along the way. [Levi] whipped up his brushless DC motor design in OnShape. The motor has six coils in ...

This project is part of a larger goal to make a complete 3D printer based around these ‘DC motor stepper motors’ which we will watch with interest. While we’re on the subject of closed-loop ...