Filament cooler for Orca v0.43

I was tired of not being able to print proper overhang with PLA on my Orca, and didn't like the way the other coolers was to be printed and mounted ( i know i limit my print area a little, I might consider changing the design to be sloping towards the nozzle, but that was not realistic with the current state of my printer... overhangs tend to fail too much, so, first this cooler and then maybe later another cooler with sloping shaft since it seems I can print pretty good overhang now.

My fist