Small press fit case for the Waveshare RP2040 One version of the Raspberry Pi 2040, it also fits the RP2350 One version which is identical in dimensions.
Since I mainly use it for PicoKeys so I don't solder to them, I use them as a USB stick for FIDO/2FA/MFA.
PicoKey: https://www.picokeys.com/
Github: https://github.com/polhenarejos/pico-fido
Board wiki: https://www.waveshare.com/wiki/RP2040-One
OnShape link: https://cad.onshape.com/documents/80190e1b9e467c60abf14e93/w/62728fec4f45de1e6b0c7129/e/da6f6f0999b34110e22f2492
Store link (NL/EU): https://www.tinytronics.nl/en/development-boards/microcontroller-boards/others/waveshare-rp2040-one-4mb-flash
The author marked this model as their own original creation.