I attempted the print a set of these at 100% on my Ender 3 v2. Unfortunately, neither the back fit on the front part nor do the nuts screw onto the posts. I may try again adjusting the sizes
Spool roller skates
No hardware required to assemble other than 2x 608 bearings (the ones that come with the MMU).
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February 13, 2021
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I used Fusion's 6g threads, but I added the drawings in case you need to add more tolerance!
Awesome, thank you! I even tried at a 0.2 height, but I'm guessing the Ender isn't as well calibrated. It's a long wait for my MK3S+ to arrive.