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To Fixture or Not To Fixture, That Is The Question

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ACMER S1 Portable Laser Engraver So, I am finding that some laser engraving equipment can be a bit more difficult to control repeatability than others. Yes, technology is used to improve repeatability, but the fact is many of the lower cost equipment can use some additional help. The additional help, from what I have provided for myself, is worth that cost, than paying much much more for a laser engraver that gets you closer yet still not close enough. Someone in a social media forum asked about mounting their ACMER S1 to a board and burning (yes, that is what we are doing, burning and call it engraving) a grid on the board for locating items / substrates to engrave. They were on the right track. I have seen on YouTube people who I do hold in high regard, rigid locate (not permanent mount) their laser machine on a waste board, then burn the grid, with units of measure and all. Coming from a technical field when I retired, saying enough of that circular chaos, I had thought of the same ...
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Safety First!

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Disclaimer : I am a hobbyist, not an expert, so please seek out professionals for further advice. Eye safety, air quality safety, fire safety, material safety, all need to be addressed when you begin to think about buying a laser. Oops? Okay, you bought the laser first not realizing there is more too it. That is Okay. You can still permantently correct or mitigate any issues now. Eye Safety Eye protection is super important when it comes to lasers. The simplest laser tools for hanging art require eye protection, and it is more important in our case because of reflective laser wavelengths. Eye protection is not as easy as putting on a pair of sunglasses either. You need to protect yourself from the specific laser beam wavelength. Exposure to laser wavelengths can cause temporary flashes or permanent damage to your eyes, leading to blurred vision, dark spots (I have those now from not practicing good safety), floaters, headaches, blindness in some cases, and severe retinal burn. Sounds n...
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