Ender 3 Belted Dual Z Motor Mount
thingiverse
Another Z motor mount for belted dual-Z setup. I moved the idler pulleys "out" (away from printer frame) so that I could run with 40T pulleys on the Z screws without having the belt make contact with itself. 20T pulley on stepper, 40T pulleys on Z screws. Minimum belt size: 670mm (measured and tested) Maximum belt size: 700mm-ish (696mm pictured) BOM: 20T pulley: https://www.amazon.com/dp/B08TV1NF4B 40T pulley: https://www.amazon.com/dp/B07ZKF7G5G Dual Z kit: https://www.th3dstudio.com/product/ender-3-dual-z-upgrade-kit/ -or- https://www.amazon.com/dp/B08T1VJ9ZT with https://www.amazon.com/dp/B0824ZVJQH Top bolts are 4mm with hammer nuts. Side bolts are 5mm with hammer nuts. The X motor line from an extra wiring kit will work if you have one. If not, these are more than long enough to do the job: https://www.amazon.com/dp/B083DVQ9MD (be sure to swap the center two pins) Don't forget to double your Z steps in the EEPROM. Via CLI: M92 Z800 M500
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