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    Need help building laser module for engraving

    Hello! I need help with building not very powerful laser engraving module for a small scale home grade stuff, for example - burning away thin coating of paint from metal for chemical etching, burning pictures on wood, etc. My plan is to buy a PLTB450B or M140, so i wanted to know is there a...
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    Hello from a newcomer

    Hello, I think I should tell a bit about why i came to this forum. I'm new to lasers, and I wanted to talk to people, who can answer some of my (maybe dumb) questions, about building an inexpensive laser engraving module for my 3D printer. I previously had some experience with chinese "500 mw"...


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