Mini Bearing Oldham Coupler
thingiverse
This Remix was due because I bought some mini mini bearings and then had to redesign the whole. I added adjustable guides so to have as few angular movement as possible with z hop. Bearings are M3x3x7mm and you need 12 M3x10mm (or 12 M3x12mm) screws. I suspect this thing works even with many other bearing dimensions anyway, just enlarge the holes of the Bearing Cross piece. For all details please read the description written for the original project: https://www.thingiverse.com/thing:2581521 This coupler eliminates all regular z bands (same height between two bands). If you still have some irregular bands then you have to clean the dust on the Z rod and don't use grease but specific lubrificant. You have to print 4x Adjustable Guides Enjoy!
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