Z Axis Anti-wobble
thingiverse
I reengineered these specifications to match some components I salvaged from a fidget spinner. - bearing outer diameter: 22mm - bearing inner diameter: 8mm - bearing depth: 7mm - through holes: 8mm - screw hole: 3mm (can be easily drilled for a larger screw) The bearing should be snugly fitted. When installing, I found it helpful to flip it upside down and press it firmly onto the edge of a sturdy table. The same approach applies to the support rod. Any remaining wobble stems from the support rod twisting during motion, so I will investigate ways to address this issue shortly.
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