There are plenty of video tutorials out there for aligning the mirrors on a K40. I found this one to be particularly helpful. The idea is to make sure that the laser dot hits the center of each ...

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.

The installation of the Laser Defuser was a bit more difficult and reminded me why K40 likes these things to be installed by a pro. Unfortunately my license plate holder isn't removable ...