One of my coworkers wanted a way to display all his years of unique and classic disc golf equipment. I designed him two types of wall mounts, this is the second style and holds the disc from the inside. Mounting of this style requires one 5/8" wide 3M command strip. I have included the STL, and also a STEP file. Lastly am providing the link to the Onshape native design file. The design is highly parametric, so you can easily change key features of the design with the variables of the Onshape file to rework dimensions for your needs.

Onshape Link: https://cad.onshape.com/documents/18c888c28d2c482cfa774bee/w/b8db578ac6158ac21d7ecd87/e/bac54100f566faba60257430?renderMode=0&uiState=6504c4c7caf63508b5a3b70f

Other Style (Type 1 = outside disc mount): https://makerworld.com/en/models/68589