The first things I tackled were the eyes. The MTK has a VERY faint delineation that seemed to suggest a good area to mark and cut. I marked it with a pencil, used a cutting wheel on the Dremel to take the majority of the plastic away, then used a sanding disc to carefully get next to the pencil mark.
----------
A closer look:
------------
After some sanding, here's the final result:
--------
Next, I used a sanding wheel to shape the bottom edge.
-----------
I also trimmed the extra plastic off the top of the brow (cutting wheel, then sanding disc).
Finally, I worked on the teeth. I'm not 100% happy with the result, but after an hour or so of filing and sanding (I even sliced a sliver off an Emory board to fit in the smaller teeth), I think I've reached a point I where I can sleep tonight:
-------
Tomorrow, I'll stop by Home Depot and grab some rare earth magnets, so I can move onto the next step: attaching the face place to the dome!
Thoughts/suggestions/critiques welcome!