igus replacement for Prusa I3 MK2(s)
thingiverse
This is a replacement for the original Prusa I3 MK2 x-axis parts designed to fit the igus RJZM-01-08 and RJZM-02-08 bearings. For the x-carriage, I use the RJZM-01-08 (16mm), while the x-end_idler and x-end_motor (z-axis) utilize the RJZM-02-08 (15mm). Some errors in the mesh of the original parts have been corrected along with an old bug in the x-carriage that caused the belt to rub on the idler. If you're searching for a reliable y-axis bearing replacement, consider this option: https://www.thingiverse.com/thing:1837936 Please use original igus SWM-08 rods as they work well due to sufficient space between the bearings and rods. Recommended lengths are 2x 320mm, 2x 330mm, and 2x 370mm. Be aware that the x-carriage is designed for the MK2 model; it may also work for the MK2s, but with its inherent drawbacks. Update: Another belt rubbing issue at the carriage has been fixed.
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