The hammer joint takes advantage of the thin kerf of a laser ... wood seems to be the best application. [Jiskar] also mentions a potential improvement: the addition of a ratchet and pawl shape ...

If you have a laser printer, you’ve got your Christmas ... Once you’ve got the puzzle cut out, you can seal up the surface nicely, toss it in a box, and then you’ve got a personalized ...

Access to a laser cutter and CAD software Lasers cut by burning through the material and are incredibly precise. They can be used on cardboard, paper, wood ... shapes that have to be cut out.