Simple micro SD card case/holder for 10 cards and 1 SD adapter. Macintosh style.
Credit:
SD case: steelcroissant.
https://makerworld.com/en/@steelcroissant https://makerworld.com/en/models/79419?from=search#profileId-83930
Macintosh body: RabbitEngineering
RabbitEngineering https://www.thingiverse.com/thing:212359/files