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grblmill 1 GRBLShield CNC Mill Conversion
Bay Area maker John Knoll (of ILM and PhotoShop fame) just finished converting his old manual milling machine to CNC with a GRBLshield and took the time to thoroughly document the process. If you’ve ever thought about attempting this conversion, you won’t want to miss this informative overview. In it John runs through the entire process from start to finish, beginning with converting a model using a Python script, sending G-code to the board using a Processing sketch, and ending with cutting the part. [Thanks, John!]

Adam Flaherty

I make cool stuff and write about other people making cool stuff on If you have something you think I should see, send me a tip.

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