Adapter to convert Ender 3 to direct drive with double geared extruder
thingiverse
This adapter converts your Ender 3 to direct drive using almost all original parts. To use my adapter, you'll need to print this fang: https://www.thingiverse.com/thing:2718960. Note that the fang requires some post-production work to ensure a secure hot end attachment with the metal plate. For optimal results, print with four walls for maximum rigidity. In addition, you'll need an extension cable for NEMA motors, a M3x10 screw, and a M3 washer. Around 70 mm of PTFE tubing is also required. Be aware that pancake (slim) NEMA motors lack sufficient torque to work in this configuration. Mounting everything requires some patience.
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