Raspberry Pi Zero W USB stick case

I was inspired by https://www.thingiverse.com/thing:2516525, but I couldn't get his thing to work for me, so I built my own from scratch.

Aside from cool factor, I can't think of too many use-cases for this doohicky. I'm thinking this would be a good password vault. The Pi could sync up via its own network connection, and then the user could securely access his password through a USB network connection to the Pi. SSH, VNC, etc.

I've got though something like 14 iterations so far making