A variant of the headphone hook, to wall mount with two 3mm screws. There are 3 options provided for different headphone strap widths so you can find a fit for even those fat headphone straps.
30mm allows an internal hook width of around 30-33mm
40mm provides an internal hook width of around 40-43mm
50mm provides an internal hook width of around 50-53mm
Printed on side with 10% infill. Increase infill percentage if you feel you need to increase the screw hole sizes.