Anet A4 Adaptateur Fan 5015 turbine

The original parts cooling fan is just too weak to provide a sufficient airflow, I designed a small adapter piece that allows the use of a stronger radial fan.
It allows the use of a 50x15mm radial fan, like these:
https://3delectroshop.fr/ventilateurs-12-volts/97-ventilateur-5015s-12v.html

The design uses two of the original screws.