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NEJE High Power 500mW DIY Laser Box
There is no much to see - that's why this movie is so short. Just to see and hear how it works.
You can also see another video with Neje cutting 4mm foam: https://youtu.be/lKlb-Y45KZI
More you can find in my review: http://adrian.siemieniak.net/portal/neje-cnc-laser-engraving-machine/