Cooling fans 4mm longer than original, space made to allow cables to pass and a fixation on 50mm fan blower.
the printing is not easy if you do not want to have support everywhere.
- Update 2019-06-08
After a month of usage the C shape of the cooling part is slowy deforming downward. That's an inherant issue of that design directly inheritated from the head design.
I need to try to print it in PETG to see if it last longer
print on the side to have support