Dadson Prusa i3 Bed Bearing Holders
thingiverse
These designs are optimized for bed with only 3 bearings (uneven number both sides). v1 is standard v2 L shaped. Easier to print without supports. v3 standard + extended edge that acts as y-endstop trigger CAD has 1mm z clearance but STL has 0.1mm clearance I believe. 0.1mm works fine for me. Print with supports - horseshoe shape in z-direction so it doesn't snap easily when installing. Really good fit with mine! Attached with self tapping screws. Drill small hole first with Dremel to ensure easy installation
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