12x3 SD / microSD Secure Case

Yet another SD / microSD card case!

Features
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- A secure, screw-on case that holds your SD and microSD cards (snug fit)
- Holds 12 SD and 24 microSD cards
- Rounded edges
- Cutout for split ring or lanyard
- Wiggle the card to remove (see second picture)
- When capped, the SD cards will not rattle
- Possibly waterproof with a suitable O-ring (not tested)

OpenSCAD file attached.
STL files are large because of all the curves.

Design inspired by [SD Card Holder / TheSw