19mm Prusa Z Rod Constraint
thingiverse
To accommodate 8mm ball race bearings with a 19mm outer diameter, I created a modified design. Additionally, I implemented a solution for preventing the Z couplings' gradual downward slipping by attaching two M8 nuts together on the bottom constraints. This derivative is available in both 2 and 4 units; simply press-fit the bearings into place before securing them to your machine.
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