I remixed this flashlight holder to give more meat around the screws. I tend to use flat head drywall screws for a lot of things because they're super cheap and convenient, so I added countersink to the screw holes so that the drywall screw heads sit almost perfectly flush.

Creality

Ender 3 Pro

Yes

No

.2

20

I had a successful print at 15% infill, and it works, but I think for anything heavier than the little lights I'm hanging on this for emergencies around the house, I wouldn't suggest less than 20%.