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How to Build a Homemade CNC Laser Engraver

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78RPM
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Nicely made. I have questions.
78RPM   6/28/2016 2:56:31 PM
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The project is nicely made. It's good that you included safety features.
I wonder if you could replace the LM317 linear voltage regulator with a buck converter. Buck converters are far more efficient and dissipate less heat. You could even regulate the output voltage with an MCU.
Can the cutter actually cut through thin hobby plywood to make intricate parts? If not, what would it take to increase cutting power?
Maybe I missed it in the article but are you making the 3D printed parts available on any 3D sharing sites?
Some people might like to build the frame with aluminum extrusions from robot supply stores (including the sponsor) and get corner connectors ready to go.

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