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Helical drive coupling

Helical drive coupling

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SummaryI needed a way to connect my stepper motor to ACME rod, so I figured that if I'm going to print one, I might as well see how well a helical coupling prints. It came out better than expected, but I can't claim anything about performance or longevity of the part.InstructionsI didn't model this in OpenSCAD, so I have also included my Alibre Design 2011 part. If you need a specific motor shaft or rod diameter, just send me a message and I'll upload a file for you.

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