Linear Slider Bearing
thingiverse
Experimental 3D printable linear bearings use circular slides to minimize surface area and friction in theory. This type of bearing should perform equally well as 3D printed linear fin bearings while lasting longer and supporting more weight. Use the customizer to create a bearing that matches your size requirements. Photos demonstrate a standard LM8UU bearing using four sliders, but I have not tested the effects of slider count or radius. It would be great if someone could test these variables and share their results.
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