Keep in mind that quality control on the K40 is non-existent, and beam focus will matter, so your device may be different from mine. Further, materials such as plywood and acrylic can change from ...

If you’ve done even the most cursory research into buying a laser cutter, you’ve certainly heard of the K40. Usually selling for around $400 USD online, the K40 is not so much a single machine ...

How do we rate a Device? Rating a smartphone is a tedious process and a lot of parameters have to be considered before judging the overall performance of the device such as display, camera ...