Prusa i3 DiggityDank Carriage Nozzle

This the BEST, most EFFECTIVE donut style cooling duct on Thingiverse. Trust me, I've tried them all. There are better nozzles, but not better donut types.
I've remixed this one to fit on my Prusa i3 DiggityDank Carriage. I've also included this nozzle in the DiggityDank Carriage files here: http://www.thingiverse.com/thing:2031671

Use 100% cooling after first layer for best bridging. Not an easy print, took me three tries to dial it in, but it's worth it. This nozzle WORKS. View it in a sli