The inexpensive Chinese K40 laser cutter has become the staple of many a small workshop within our community, providing a not-very-large and not-very-powerful cutter for a not-very-high price. As ...

Earlier this year, I bought one of those K40-style laser machines that was listed at a ridiculously low price, and it arrived broken. Well, let me qualify that: the laser tube and the power supply ...

The K40 is a barebones, down-and-dirty benchtop laser cutter/engraver. There are some limitations out-of-the-box, but by purchasing a few upgrades, you can end up with a great tool. The K40 is a ...