Thank to blueprintDK to make this beautiful direct drive for ender 3. In this remix I was resized screw hole, improve looking and make it for ender 3V2.
IMPORTANT NOTE: you must use a 42-23 stepper motor for the BMG extruder

You will need:
1x M3 30mm
2x M3 10mm
1x M3 15mm
1x M3 20mm
4x M3 6mm
3x M3 washer
1x M3 nut
1x E3D hotend