[LudwigLabs] is creating PCBs using copper foil and a cutting plotter (vinyl cutter). In this approach, it’s an additive process where instead of removing copper from a copper-clad board ...

The polyester film was cut on a Silhouette Cameo, basically a desktop-sized vinyl cutter aimed at the craft market. Stock, the Silhouette Cameo rounds off corners, not something [Peter] wanted ...