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Locking Bearing Bracket for Makerbot Cupcake by clothbot is licensed under the Creative Commons - GNU GPL license.
© 2009 by clothbot
Instructions
3D Printing Instructions:
1. Download the STL.
- For a snug bearing fit, download the 20090927 variant
- For a looser bearing fit to allow for more side-mount bolt positioning room, download the 20090928 variant.
2. Raft with your favorite skeinforge settings
3. Print.
4. Clean up the print.
- Pass M3 bolts through all the holes to clear out any strands.
- Push a bearing through to ensure a clean fit.
5. Insert at least two captive nuts with M3 bolts at right angles in the side-mount holes.
- To try: Use M3 set screws, 6mm to 8mm in length (e.g. McMaster Part 91390A100)
6. Mount the bracket on the Cupcake Top.
7. Adjust the threaded z-axis bearing height to sit at the side-mount hole positions.
8. Tighten the side-mount bolts.
