This type of enclosure is built around Heltec CubeCell-GPS LoRaWAN G tracker board. SoftRF is an open project (GNU GPL) of aircraft collision avoidance avionics. SoftRF is compatible with four most common ISM band aircraft collision avoidance protocols: "Air V6" ; OGN tracker ; PilotAware ; FANET (Skytraxx). Website: There are three variants of main Body part: with no pin header access (-NPH file name suffix) with partial pin header (-PPH suffix) with full pin header access (-FPH) The enclosure is designed to fit a 44 x 22 x 6 mm 600 mAh Li-Po battery. If you are unable to print these parts by youelf - you may coider to find an appropriate local 3D service provider and place an order with assistance of Treatstock or 3DHubs portals.