Harbor Freight Engraving! (for delta)

As many of you have seen, harbor freight has these cheapo "dremel" style rotary tools. Like this one:http://www.harborfreight.com/80-piece-rotary-tool-kit-97626.html
yet it can often be had for much less.
I took the motor out along with the "chuck" for the bits, just one screw and the front part were holding it together. once inside i simply took off the switch and soldered the power directly to the motor.(you can leave it if you want a way to shut it down while mounted)
I made a very sma