This is my first model, and it actually works. I have attached the FreeCAD model in case you need/want to modify it.
The author remixed this model.
I used the Multiboard Pegboard Click to create this. Designed the clip and attached the pegboard click piece to the back.
https://thangs.com/designer/Multiboard/3d-model/Pegboard%20Click%20-%20STEP%20Multiboard%20Remixing%20Files-994677