Heltec V3(V4) new case

Device case for the Meshtastic node using the heltec V3 module with a 16850 battery. The case parts are fastened with DIN7981 2.2x6.5 self-tapping screws. It is recommended to print a transparent filament to indicate the button. Layer height 0.2mm, simple printing without supports, using PetG filament.