If the literal instructions are confusing try watching the YouTube movie:http://www.youtube.com/watch?v=6drMZqmyXQc Also check out the follow up instructions on Stepper Motor Control: Easy Mill Stepper Motor Controller
Now we slap the motor tool into the Z stage. Then its time to mount the stage to the frame. And there you have it. This is the mechanical structure. From here we will need to hook up the stepper motors to a controller and get some software running on the computer but I'm going to save that for future articals.