2 layers68.6 × 53.3 mmGRBL Stepcraftmaz3max/Stepcraft-GRBLArduino Uno Shield for Stepcraft GRBL Controller10 partsMIT
2 layers56.5 × 65 mmRaspiIRmaz3max/PI-LIRC-HATThis an extension PCB for Raspberry PIs with 40 Pins.35 parts2GPL-2.0