Here is a simple and small hanging hook. I've designed the hook to use use two screws to prevent rotation and movement.
The hook is optimised for two 3.5mm countersunk screws, typically 15mm in length.
My print is made in eSUN PLA+ 1.75mm silver filament, with 0.2mm layer height and 15% infill on a Bambu X1 Carbon printer. Print the hook on its' side; supports are optional.
I hope you can find this design useful, too.
Remember to leave me some feedback or even a tip to keep me enthused to make more of these drawings.