This is a case for the Flipper Zero WiFi Devboard, that also works with the silicone case for the Flipper Zero.

You'll need two M2.5x10 screws to hold the thing together. If you have clear 1.75mm filament, you can put some in the hole for the LED to work like a fiber optic.

Print : Resolution: 0.16 mm Infill: 15% Supports: Yes