Three Actuators: cheap, powerful and completely 3D printed

I have build three stepper actuators of different size/weight/torque. They features compound planetary gearbox with the overall reduction ratio around 100. And they have two 3D printed cross roller bearing per actuator. All these makes them very suitable for robotics applications. I am going to widely use them in the future projects.
STL and CAD files are available for my 10$ patrons ( / skyentific
).
Special thanks to my special Patrons: Shounak Bhattacharya and M. Aali!
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#DIY #Robotics #Actuator