Orange Pi Zero3 + Relay Case

SummaryThis is a case for the OrangePi Zero3, with a relay in the side.I used an external wifi antenna to make the signal better, a little fan (always around 35ºC) and a relay connected to gpio, to activate external devices (in my case, some LED)I Used also a female USB por for a little webcam.To mantain all together just used litle magnets. Diameter is 4x 3mm hight.I Designed all with 2.5mm metric screws on base, and made just 2 sizes of printed screws also, to keep boards on place...but they a