RAK19003 Meshtastic Weatherproof Case

This is a weatherproof (or waterproof depending on the version) case for a RAK19003 based Meshtatic node. Since the RAK19003 includes a Li-ion charging circuit and solar panel input port, the cases have room for a 2000mAh Li-ion battery and some models have a hole for running wires from a solar panel.# FeaturesThe various versions have differing combinations of these features, indicated by the .stl name:## CaseUSB - has a slot for accessing the USB-C port on the board (this is a power+data port)Solar - has a threaded hole to accept an M8 cable gland to run wires from a solar panelMag - has a hole in the back of the case to fit an M3 heat-set insert for attaching a countersunk magnet to the caseNoAntenna - has the antenna hole omitted in case you want to use a small embedded PCB antenna## LidHoles - has holes for M3 bolts for attaching the solar panel armOled - has a cutout for a 0.96" OLED display (this version is definitely not weatherproof)The Solar-Arm and Arm-Mount models are for a