Ender 3 V3 SE Part Cooling Fan Shroud(4020 conversion)(now it actually works)

Version 2: Fan duct overhaul providing much greater airflow, now it actually blows air instead of just spinning, and fully spins on any speed in stock firmware. Size increased a bit. You can now replace the 4010 blower fan with a 4020 regular fan, it's around ½ to ⅔ quieter than the stock blower. This part should fit most 4020 fan(used fan model: Sunon MF40202V2.), the hole on the back is for the wire to route out the shroud. Use electrical tape to plug the slot hole and the wire hole after the fan and its wiring is properly seated. for use in conjunction with “ 4020 Diffuser Fan Mount - Ender 3 V3 SE ”