Extruder Knob Compatible with Creality Ender 3, CR-10, Ender 2

Your printer, running the way it should.

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$9.87

Color: Gray

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Geared knob for easy manual filament feed on Nema17 extruder motors
Visual indicator to monitor retraction behavior in real time
Fits 5mm motor shafts on most Creality and similar 3D printers
Two versions: standard and high-clearance to view filament rolling
Tight friction fit design—scale up 0.5–2% if needed for your setup

This geared extruder knob is a simple but effective accessory for your 3D printer. Designed to fit Nema17 stepper motors with 5mm shafts, it gives you manual control over filament feed and serves as a visual tool to watch retraction behavior during prints.

The knob features a very tight friction fit to stay secure during operation. If it's too snug for your motor shaft, scale the model up by 0.5–2% before printing. Two versions are included: the standard short knob and a high-clearance extended version that lets you observe filament rolling between the gear and pulley.

Compatible with Creality Ender 3, Ender 2, CR-10, and many other printers using standard Nema17 motors. A practical upgrade for anyone who wants better control and visibility of their extruder.

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