Aurora A3 Z-Rod Rattle Fix

This is really not much of a thingy, but it saved my sanity!!!

You see, I got this great RepRap I3 style 3D Printer: Aurora A3. And it is pretty sweet. Built like a tank, runs smooth and pretty quiet....except this Dam rattle!!

It was driving me crazy!!!

The two Z-Axis screws are just barely long enough to reach the aluminum top brackets. And those holes in the brackets are 9mm while the screw rods are 8mm. So while the print head moves back and forth on the X-Axis (or even the fans on