Key Hanger (1 Slot) - Multiboard Big Screw

I loved the original, but wanted to be able to add this to my multiboard, this is version 1 if anyone has any suggestions let me know. 9mm Big Thread.Screw comes from https://thangs.com/designer/Multiboard/3d-model/9%2520mm%2520Big%2520Thread%252C%2520Flat%2520Head%252C%2520Bolt-974474