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A tight coupler (tight to the axis, and tight in the rotation, but still allows a small angel error)
The design allows shafts with different diameter to be mounted to each other easily.
The attached STL's is for a 10mm lead screw and a ~6mm stepper motor axis.
The force that the screw/nut gives seems to have fixed the axis perfectly. If it isn't enough it's an easy thing to improve the design with a "lockscrew" too.
Coupler (Stepper to lead screw) by ahd71 is licensed under the Creative Commons - Attribution - Share Alike license.
So what's this mean?
We're sure ahd71 would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!