Cartridge
This is a cartridge-style enclosure for Pimoroni Flat HAT Hacker used with the Raspberry Pi 400. Parts attaches with 2x M3 10mm buttonhead screws.
Material: PLA or ABS
Layerheight: 0.2mm
Link to board: https://shop.pimoroni.com/products/flat-hat-hacker
The author hasn't provided the model origin yet.