This is a case for the isolated USB to RS232 converter.
It does not require any screws and just press fits in to place.
There are two types of top cover, one plain and one with text.
Printer Brand: Prusa
Printer: i3 MK2S
Rafts: No
Supports: No
Resolution: 0.2
Infill: 20%
The author marked this model as their own original creation. Imported from Thingiverse.