got some sd cards?
store them in this interlocking SD card holder which has space for
6 x SD card
2 x microSD
need more? print additional pieces and connect!
you can add a 9mm sticker to the front for easy identification.
there is even a 4mm hole if you like things screwed :-)
infill: 33% infill or similar
layerheight: for fast printing choose the highest layerheight.
print time: about 30 minutes, depending on your printer & settings.