C-Bot Style CoreXY filament cooler

This is a work in progress, but it already provides much stronger and uniform cooling than a standard basic cooler which just blows in a straight line. I also tried the crab claw fan duct by AK Erik and it didn't work well with a standard 40x10 fan.
I believe this approach is better than the brute force approach of using large or multiple fans blowing all over the place which cool off everything - including the heat-bed. The vanes are the key here - and are what sets it apart from other circul