The file '[Remix] CR-10 Fan Mod 3D Printer Model' is (stl) file type, size is 101.7KB.
I know, Ender 3v1 Mods are a bit outdated, but mine is still a sturdy companion.
This is a remix, that moves the outlet by 7.5mm in order to fit with this noctua-mod: https://www.thingiverse.com/thing:4605363
Print upright, with support "on build plate only".
Ender_3_fan_duct.stl | 271.5KB |