Print this model by raspberry or red color PLA with 100% infill. PCB 20mm x 20 mm. Use following manuals for circuit assembly and script installation: https://howchoo.com/g/mwnlytk3zmm/how-to-add-a-power-button-to-your-raspberry-pi https://howchoo.com/g/ytzjyzy4m2e/build-a-simple-raspberry-pi-led-power-status-indicator