It’s a simple robot that drags a pen around to draw on paper ... An Arduino Nano is the brains of the operation, paired with a CNC Shield that allows it to drive a pair of stepper motors.

[Tony Liechty] has been having a few issues getting into CNC machining — starting with a simple router ... like this cool you draw it, i’ll cut it hack, and this method for using machine ...

Software-based CNC controllers may provide capabilities ranging from simple point-to-point linear control to highly-complex algorithms with multiple axes of control. Specialized CNC and proprietary ...