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Can a $60 Dremel Engrave 4mm Lab Parts?
Daniel is frustrated: oil-based paint markers keep failing on his small lab parts. Is a rotary engraver the answer? We break down the Dremel 290 (which is actually an oscillator, not a rotary tool), the carbide vs. diamond bit debate, and why brass stencils are non-negotiable for legible 4mm numbers. Then we tackle the real question: can someone with asthma safely use one of these? We cover particulate types, mask requirements (N95 vs. P100), ventilation setups, and the one piece of safety gear everyone forgets. If you've ever wondered whether a $60 tool can replace a $10,000 laser engraver…
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