This is a PaperSafe box for printing in darkroom. It is resistant to bright light and gives quick access to photo paper without having to constantly open and close the paper package.
 

The size is adjusted for printing on a Bamboo Lab P1S printer with a maximum working area of 256x256x256.

Nozzle size: 0.4
Layer height: 0.2
Layer width: 0.42
Material: PLA