DIY Laser Cutter

lasercutter

[Jens] decided he wanted to try building his own laser cutter to see just how much you can actually cut with a fairly low power 300mW laser diode.

He was inspired by a similar project from earlier this year, and chose to use the same LPC-826 laser diode, which you can find online for about $10-30. The cutter itself is has a wooden frame and uses drawer slides on both axes. Threaded M6 rods and NEMA17 stepper motors provide the actuation, and the whole thing is controlled by an Arduino Nano with Easy Driver stepper motor drivers.

So what can it cut? In his experiments he was able to cut through adhesive plastics (sticker paper), EVA foam, and black paper. He was also able to engrave wood and ABS plastic, although the plastic didn’t play too nicely with the laser. He also found it useful for laser cutting stencils, which he then used to create rusty art using hydrochloric acid and hydrogen peroxide.

Considering how cheap you could make one of these, it’s not a bad tool to have. Stick around after the break to see it laser cut a shark!

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