Flat TARDIS Pattern (Xmas Tree Ornament) for a laser cutter

Since I wasn't fast enough to order the official, hand blown glass, TARDIS Xmas Tree ornament from the BBC America shop, I decided to head down to my local hackerspace and make one or two on the laser cutter.

This started off as the "TARDIS Coloring" image by "Violet Succubus" on DeviantArt (http://fav.me/d310mxy). It was the cleanest, nicest, B&W line drawing of the TARDIS from head-on I could find.

There was much fiddling, adding to, filtering and re-drawing by myself and two guys (both