This is a wall mount for the 15 key Elgato Stream Deck Classic (see picture).  The fitment is tight enough that the lid isn't really required, but to use the lid use M3 hardware (4mm to 8mm length should fit).

Recommend printing settings:
- 4mm nozzle 
- 15% - 20% infill / cubic subdivision
- layer height 0.175mm
- line width .4mm
- initial layer line width 103%
- top/bottom thickness 0.825mm
- top layers 5
- bottom layers 2