This is a Duet Wifi Box it fits the Prusa Mk3s/+ Frame.
This is a Remix from Wolfgang Shadows Caribou Duet box
Original Design : https://github.com/Caribou3d/CaribouCartesian/blob/master/STL/01_full-kits/Frame/Duet/Duet2/Duet2-Wifi-BoxBody.stl
Printsettings:
The author hasn't provided the model origin yet.