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Harmonic Drive
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Print the rotor and the casing out of a hard plastic, and the spline cup out of a
flexible one. IMPORTANT: this needs lubrication! I used a silicone oil, but mineral
oil should work too. It doesn't take much. I haven't tried a dry lubricant like PTFE, but it might work.
Whatever you do, don't use supports on the spline cup.
Update: I accidentally uploaded the wrong SplineCup.stl. I've replaced it with the correct one.
flexible one. IMPORTANT: this needs lubrication! I used a silicone oil, but mineral
oil should work too. It doesn't take much. I haven't tried a dry lubricant like PTFE, but it might work.
Whatever you do, don't use supports on the spline cup.
Update: I accidentally uploaded the wrong SplineCup.stl. I've replaced it with the correct one.
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