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Ender 3 Z-Axis POM Anti-Backlash Nutblock Adapter — image 1
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Ender 3 Z-Axis POM Anti-Backlash Nutblock Adapter

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Adapts a standard adjustable POM Anti-Backlash Nutblock used in cnc to the ender 3 z-axis.

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Model information

License
Creative Commons — Public Domain

Hemostats (to install without disassembling the gantry)

Two M5x10 screws (adapter to gantry plate)

Four M5x3 nuts (adapter to gantry plate and nut block to adapter)

Two M5x16 screws (nut block to adapter)

Two M5 lockwashers (goes under the M5x16 screws)

https://a.co/d/03IH0hK6

Printed in PC-ABS, 5 walls, 50% infill, 0.2mm layer height. You'll need the hemostats to hold the nuts behind the gantry plate while tightening the screw. It involves some tongue-holding so you can disassemble if mechanical wizardry isn't your thing. You can print it in whatever I just needed mine to survive high chamber temps.

--edits
Added nuts negating the need for tapping or threaded inserts. Works with any material.
Assembled but still untested. Added 3mm offset.

Centered the leadscrew better. Added clearance for Z0 or larger Z-Steppers. Added clearance for recessed M5 heads.

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