Full Bear MK3 Y-Axis Lineal Rails MGN12 v2
thingiverse
This construction stands independently and operates effectively even without MGN12 X / Z ruler rails. I designed this modified version to connect the MGN12C block directly to the Y carriage, so I elevated Rail Holder MGN12C to accommodate the XYZ calibration of the original firmware. In addition, this variant performs better than my original design; you can tighten the screws more securely and the Y-carriage remains easily movable. Either print in PLA or PETG; ABS is not recommended as it lacks sufficient flexibility. The printer has passed both the self-test and XYZ calibration of the original firmware. required parts: 2x MGN12 linear guide (364-365mm) 3x MGN12C linear block 8x M5x12mm DIN 912 Cylinderhead screw 6x M3x8mm DIN 912 Cylinderhead screw PS. In the images you see a Prusa MK3 Y-axis slide for 4 bearings; simply disregard it, as this design works perfectly with the original Y-carriage too.
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