Reinforced Ender 3 extruder arm
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Remove your old arm and transfer the stock brass insert/fitting, washer, and bearing over.
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Model information
- Source
- Printables
- Category
- Creality Parts & Upgrades
- License
- Creative Commons — Attribution
Tired of the notorious stock Creality extruder arm snapping mid-print and ruining your 14-hour print? This drop-in replacement is redesigned from the ground up with reinforced stress points, thick walls, and optimized geometry to deliver reliable, long-term grip without flexing.
Whether you're fixing a broken stock arm or upgrading proactively, this print saves you from buying an all-metal kit while giving you butter-smooth filament feeding.
Why Print This Upgrade?
Beefed-up Pivot & Tension Points: Thickened critical areas where the stock arm always fractures under spring pressure.
100% Drop-in Fit: Works seamlessly with your stock Creality stepper motor, brass gear, bearing, and spring.
Zero Flex Geometry: Rigidity equals consistent pressure, preventing under-extrusion and filament slip.
Cost-Effective Fix: Costs pennies in filament and installs in under 10 minutes.
Assembly Tips
Remove your old arm and transfer the stock brass insert/fitting, washer, and bearing over.
Don't overtension the pivot screw—it should move smoothly without side-to-side wobble.
Recalibrate your E-steps after installation to ensure perfect extrusion!
If this saved your print setup, leave a Like, drop a Make, and let me know how it performs on your machine!