I needed something to test out a low-power laser cutter, and thought that some small cardboard boxes would fit the bill nicely, so off I went to scour the Interwebs for a quick-and-dirty finger-joint ...

So a local "maker space" has two introductory workshops. One for laser cutting/engraving, the other on 3D printing. Ideally I'd visit both, since I'm clueless in both techniques and I haven't designed ...

While there are plenty of self-contained mobile-friendly laser engravers on the market today, most don't come equipped with a trap door.