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  1. R

    Need some advice on safety

    I am building a laser engraver cutter using a 445nm 2.5W diode. I am building the whole thing into an aluminum briefcase about 5" deep. Cutting area will be 12x12 inches. The briefcase has locks (which I will be adding switches to for interlocks.) But I wanted to put a window in the top to keep...


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