E3D V6 Clone Cooling 40mm Fan Duct - 22.3mm fins

Improved airflow. Added radius and other housekeeping items.

Fitment was still tight on last update so Charles tweaked it a bit more. This depends on the material choice for sure. PLA will be especially brittle.
Anyhow, this one fits with a decent snap when printed with PETG at 240C.

Thanks to my friend Charles, several clearance issues and some additional snap fit adjustments were made.

Reduced snap fit. It was rather tight and had some failures reported when trying to insta