2 layers15 × 20 mm

KiCad boards from 34 GitHub repositories tagged “modular”, the most starred first; open any of them in PCBKit.



VoltageFoundryMod/IRONMix
Eurorack Line-level mixer and Headphone Output module in 4HP

VoltageFoundryMod/IRONMix
Eurorack Line-level mixer and Headphone Output module in 4HP