Incredible $100 Arduino-Based CNC Machine

CNC machines allow you to mill just about any shape or design you’d like using X, Y and Z axis.  Typcailly they cost serveral thousand dollars, but this man built his own CNC machine and wrote up a tutorial on how you can build it yourself.  Typically CNC’s use lead screws which create linear motion using a motor and a threaded rod.  Another neat feature is that the entire system is build using Arduino and controlled via a Python script.  A similar build is pictured below:

More DIY CNC:

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