same arm for make ender3 direct drive for those who modified to the new Creality Spider Hotend.
in may ver the one hole didnt fit exactly to the bracket (i had to work with Dremel on it), i fix it without print and check so there is a chance for issue with that, please let me know if you got any issue .
The fan mount i used :
https://www.crealitycloud.com/model-detail/625cd1f81a2f04def326ac75
pics of the hotend and extruder attached.