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Convert a Dremel tool into an Arduino-controlled CNC machine

Arduino TeamNovember 26th, 2018

3D printers get most of the attention in maker-fabrication news, but other computerized tools, like laser cutters and CNC routers, can also be extremely useful. In fact, Nikodem Bartnik decided to create his own Dremel-based machine constructed out of 3D-printed parts and aluminum profiles. 

Electronics include an Arduino Uno and CNC stepper shield running GRBL for control, along with some NEMA 17 steppers and motor drivers, a relay for the Dremel, and a 12V / 30A power supply.

As with many other projects, his build went through several iterations, but the final results—seen in the video below—are quite good. The machine, which only cost him around $300, is able to mill MDF and acrylic.

If you’d like to make your own, Bartnik outlines his design in the first video below, then shows how to use it in the second. 


2 Responses to “Convert a Dremel tool into an Arduino-controlled CNC machine”

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