Introduction: Build a CNC Machine (A DIY Project Documented Via Video) by Jason Welsh

My project is to create a CNC machine from stuff found at your local hardware store. I am a teacher / artist / programmer / electronic junky that loves to work with real world materials to invent.  So in my DIY building adventures I decided to document creating a CNC machine via video. So I will be letting the video tell most of the story here.
Starting with the rules: