Vortex Extruder Knob
myminifactory
An updated Extruder Knob that fits like a glove. I crafted this one specifically for the Ender 3, but its versatility makes it compatible with any stepper motor out there. To prevent slipping and keep things tight, I designed this knob to be snug on the shaft - a problem I encountered with previous models that eventually loosened up and started slipping. You can always adjust the fit by scaling the model to your liking, but at 100% it's perfect for a finely tuned printer. In the picture, you'll see me doing a filament change on it - just because I could. Print this knob in any PLA of your choice - the options are endless! Update: March 30, 2019 - I've added another version with an extended shaft if extra clearance is what you need for those tricky filament changes. Enjoy your new Extruder Knob!
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