4 layers

PerserveranceAvionics
bahrant/HAP-Electronics-
EDA files for a rocket flight computer. Resulting designs will be printed on a pcb and be flown on level 1 & 2 High Powered Rockets
19 parts1MIT
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

bahrant/HAP-Electronics-
EDA files for a rocket flight computer. Resulting designs will be printed on a pcb and be flown on level 1 & 2 High Powered Rockets