SD Card Organizer for Letterpress Type Tray

I rescued 8 printers type trays from a trash/burn pile years ago and recently built 4 of them into my basement mad scientist lair work bench. I designed and printed some small SD and Micro SD card holders to fit in a couple of the smaller compartments. I needed a better way of segregating the cards I have when working on videos, so I put labels for my GoPros, DSLR, Drones, and Camcorders. Unless you print with high resolution and fill the labels with paint, you will never see them. The small i