If you've tried 3d printing a ball joint, like the ones use in PrintABloks, you may have run into a problem. The joints start out fine, but over time they loosen. Fortunately there's a couple of solutions you can employ, and Cymon and I will tell you all about them.

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00:00 Why are my joints loose?
05:13 Solution : Bluetak
06:30 Solution 2 : Swap for Tighter
07:38 Solution 3 : Nailpolish
08:38 Solution 4 : Print in PetG
09:23 3D Print to Win