I've started working on my SgtFang mystery helmet I received last week.
Here are the tools I'm using right now:
At this point, I've used a Dremel to trim the bottom edge of the helmet, and cut out the visor.
Then I used a sanding wheel and sandpaper to even out the width the entire visor opening, to achieve a uniform thickness. I will do the same thing for the bottom of the helmet edge later:
For the corners, I used an X-Axcto to carefully carve the corners, and finished it with a Emery board and a tiny triangle file:
Comments are welcome!
Next step: the keyholes...