Orca 0.43 x-carriage fan mount

This is my attempt at a fan for the Orca 0.43, for use with my mod to remove the front bar.

As it pulls air from above the printer and moves it to the nozzle, cooling is improved over having a fan right next to the nozzle.

Airflow out of the nozzle is good, i've printed this again and needed a lot less support for it to print, and there was no curling.