Values:
The author remixed this model.
The original model was Incompatible with my naked fan mount.
The original duct clashed with the 4020 fan mount.
I remixed and redesigned it from scratch and tested it with perfect airflow under the nozzle.
Print in the orientation shown and add supports as shown in the pictures.
Also Compatible with,
https://www.printables.com/model/727299-ender3neo_naked_fan_holder_robust