The hook has holes for M4 screws or you can easily use double sided tape and stick it to the wall. It also allows the caps to be either hanged by their bommel on top or through the latch itself.

Print Settings

Walls: 3Infill: 0%

I printed in petg and oriented it on the side to avoid supports. The flexibillity of petg makes it easier for the caps to snap in and out.