Hobbed gear for 3D printer/Mk8 ( Nema 17)
grabcad
A hobbed bush design utilizing purchased Ebay products aims to create an innovative direct drive extruder. Compatible with a 5 mm diameter shaft (Nema 17 stepper motor), this part measures 9 mm in diameter and 11 mm in length, including an M3 threaded hole for securely fastening the shaft grub screw. The extruder is specifically tailored to work seamlessly with 1.75 mm filament.
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