Micromake C1 Flat Fan Duct V5

Micromake C1 Filament cooler Flat Fan Duct V3.
Originally missing, filament cooler.
My solutions are more compact and smaller than the previous ones.
I did not like the fact that the previous models were hiding the extruder nozzle.
I've designed an Effector plate, can be retrofitted with drilling, but I've designed a hollow model and added it to this project:
https://www.thingiverse.com/thing:2643121

UPDATE 2019.01.27

I redesign the air outlet for stronger air flow. This is V5.

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