
Servo SG90, Shaft Connector / Joint/ + How to
thingiverse
The shaft of my servo SG90 boasts an OD of 4.6 and features 20 teeth. I subtract a gear wheel from the connector's cylinder, with a pitch diameter of 4.6, to create a custom-fit solution (refer to the picture for additional inputs). If your servo differs, you can apply this approach and design your own unique connector.
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