Barrel Swivel
thingiverse
This is a simple barrel swivel design. Both ends can rotate within the barrel. Inside the barrel, the ends are cone shaped with a dividing wall in the middle for extra support. --------------------------------------- Update 8/20/2019: I added an alternate version of the loop that is split into two pieces that can be glued together so it can be added to an already printed thing. I printed with the flat surfaces face up and used the "ironing" feature in Cura, this allowed the two pieces to match up cleanly.
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