This is a magnetic attachment system for 2 macro pads I bought Recently. They are generic acrylic stack macro pads, so I figured the easiest way to do this was to print a whole bottom panel which turned out pretty nice.

The screws used to attach the bottom plates are the same as the ones that come with the macro pad, M2 screws. And the piece that attaches to the base uses M3 screws.

The links to the hardware I used:

1. (5 key) https://a.co/d/2XaLdSH
2. (4 key) https://a.co/d/ig5yzBi The 4 key is not exactly the one I used but similar.
3. (Magnets) https://a.co/d/ffxtwGc