Ender 3 Pro Z-Rod Knob With Locking Threads
Description
I grew tired of the knobs wearing out and failing to be able to actuate the Z-Rod so I designed this knob with a standard 8mm thread so it would act like a strong locking interference fit with the Z-Rod thread. Using something to protect your Z-Rod, grab it with some pliers or a similar tool then twist the knob on until it bottoms out. It takes some force but once it is on it will work indefinitely until you want to remove it. No more slipping or coming off when you try and use. This will hit your filament spool if you are running the stock spool holder setup but not is you are using a spool holder that centers the spool like this sweet ball bearing spool hlder upgrade: https://www.thingiverse.com/thing:4208201 Enjoy.
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