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I need a cheap universal joint for a project I am working on so I have been playing with a few options. This is the one that seems the best so far. It is using a plastic ball from a wall track toy which is pretty far from a perfect sphere but it seems to work very well anyway. For the project I will use a cheap 1/2" steel bearing and laser cut the pieces from Delrin which has low friction. I will probably use nylock nuts on the screws to be able to adjust how stiff the movement is.
Video of it here http://www.youtube.com/watch?v=uxKQXoyVtPg
The bearing in these drawings is .722 in (18.34mm) so you will need to scale the holes to suit whatever size bearing you use.
Laser Cut Universal Joint by RobH is licensed under the Creative Commons - Attribution license.
So what's this mean?
We're sure RobH 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!