This thing serves more for inspiration than direct use. It's built for my exact use case, and it will most likely not apply to you, but you can use the Fusion 360 file to edit it to your likings.

I installed this support bracket in the Cooler Master NR200P case on top of an Arctic P12 fan to support an EVGA RTX 3080 XC3.
The GPU is more towards the back of the fans, therefore the fan/airflow clearance curve is off-center.
The bracket plugs straight into the holes of the fan, basically friction & gravity-mounting.

Print on its side with supports for the pins.

Creality

Ender 3

No

Yes

0.16

25%