This is the Direct Extruder part I designed for the Ender 3 V2, it requires you to disassemble and reassemble the Extruder stepper motor and Bowden extruder into a Direct Drive Extruder. Optimized the structure, and designed the heat dissipation vent of the motor and the Zip Tie hole for bundling wires. The tested version can successfully print the softest TPU filament I know - Filaflex 60A 1.75mm: https://recreus.com/gb/filaments/1-5-filaflex-60a.html#/2-diameter-175_mm/3-weight-500_gr/6-colour-white The downside is that the position of the motors affects the max position of the X-axis, so I updated the Marlin firmware configuration I used to sacrifice some print range to get this. Download Here: https://www.thingiverse.com/thing:5855162