[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 ...

30-40 parts are cut from plywood with a laser cutter, and assembled to construct the lockbox. The design could easily be reused to make the box out of acrylic, or even aluminum or steel if you ...