Printed with Prusament PETG Jet Black 0.2mm no rafts or supports required.
This case is made to fit the MH-ET LIVE ESP32 Development Board.
https://www.aliexpress.com/item/32814642296.html?spm=a2g0s.9042311.0.0.27424c4dCeXuj0
The author hasn't provided the model origin yet.