I like where you're headed with the headstock design Devon, very unique. You may have to get hold of some fine round files to clean up the more the intricate parts.
Another option for the less intricate stuff is some little sanding drums for your dremmel. I just ordered some of these (pic related) off Ebay. You get like 100 pcs plus a couple of mandrils for about $4.00 delivered. The ones shown are 6.35 mm but they do a 12.5 drum as well for around the same price.