Hardware
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It's a cute project, but hardly seems practical with the availabilty of Chinese laser engravers that have 5-10x the laser power for only $30-60 more.
Any particular ones you would recommend? I’m not super familiar with this technology tbh
I dont have a product recommendation but I do have a safety recommendation, and that is research about laser safety before buying anything. There are cheap laser engravers out there without proper safety shielding that can and will blind you. As long as you have good laser safety glasses it's fine but the ones that they ship with the product are often not actually rated for the power levels or wavelengths that the laser has.