Prusa i3 MK3 Igus RJ4JP y-axis adapter

Using Igus RJ4JP bearings on the y-axis for the MK3 reduces noise, but there's problems. If you tighten the U-bolts so the bearings don't slide around, the bearing deforms and makes travel difficult. So you loosen the U-bolts to where they just barely hold the bearings, but because the slot is longer than the bearings, they slide.

This piece solves that.

Print this piece (using .1mm height) and the bearings will no longer slide around. It's designed to fit tight, so if your bearings don