Creality CR-10s Pro Fan Duct easy printing and more secure

This is a modification of the OEM Creality CR-10s Pro fan duct. The original fan duct has a crazy thin tab where it attaches to the fan, and it breaks very easily. I thickened that. It also has a slant to the bottom which makes for annoying printing, so I flattened the bottom to make it easier to print.

Other than that, there are no real modifications to this for increased airflow or more uniform air, but the original fan works well to cool the nozzle and filament for good bridging, and I wa