Home 3D printers can cost anywhere from a few hundred dollars to thousands. Even expensive models can be frustrating, so the Materia 101's price could be a fair one if it works reliably. Arduino's ...

Capacitors are first wired in parallel with flexible busbars inside of a 3d-printed housing. Busbars were custom made and are flexible 4AWG equivalent. Caps are held together in a 3d printed frame.