Is time to add the case. You have the design for download on the link below. I’ve printed the case with PLA material, 2 perimeters and 20% infill and without supports. The case is made in such a way that it will keep the battery pads in place. Once I’ve made sure the PCB fits inside together with the battery, I’ve sand paper it a little bit to be smoother and also painted it black with some spray paint. I also add some details with a different color to make it look better.