UPDATED - micro SD & Reader Container

UPDATES 03/11/21:
- Shrunk overall size a bit
- Added more aggressive grips top and bottom
- Chamfered threads for easier closing
- Eliminated any need for supports
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This is a simple case for only 3 micro SD cards and a USB-C adapter needed for USBc use. Other holders had too many slots for cards, no slot for a reader, and there was not enough room between cards for my fat fingers to grab the one I wanted. I also find containers with the same OD on top and bottom are harder to open and close, so this is more like a medicine bottle. Here you are, dumb stupid simple and effective.

The SD reader from Amazon I designed for. Cheapest and smallest I could find. Fits perfect.

https://www.amazon.com/gp/product/B07YGXR8N3/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1