2 layers40.6 × 110 mm

Europi surface mount
Allen-Synthesis/EuroPi
EuroPi: A reprogrammable Eurorack module based on the Raspberry Pi Pico
92 parts584CC0-1.0
KiCad boards from 1 GitHub repository tagged “synthesiser”, the most starred first; open any of them in PCBKit.

Allen-Synthesis/EuroPi
EuroPi: A reprogrammable Eurorack module based on the Raspberry Pi Pico