Umbrella hanger

You can also use it for scarves, handbags, coats, towels etc.
Use screws 3.5 to 5 mm in diameter to attach the hanger to the wall (holes are 5mm in diameter).

Print lying on the side (see 3mf file).

Also check out:

https://www.youtube.com/channel/UChKp-968z1i5PN29gbR7YfA

https://www.cgtrader.com/rorys3d