[Martin]’s design leverages the slot and tab connection we’re used to seeing in laser-cut boxes, but adds a living flex-hinge to curve each piece of plywood into a U-shape. The two pieces are ...

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 ...