Oooh nice! Your Kyria posts are actually where I first learned about how awesome and cheap SendCutSend is, and got some of the inspiration for the magnets.

I actually ordered a plain steel plate first, but I realized that given that I needed them in a different position to travel compactly than the wide position I like for typing, I wanted them to snap in consistent positions so it wasn't finicky to line up exactly how I liked them.