That brass powder inlay I thought of actually worked! It took four different eggs but I finally think I got it. Every part with brass has been acid etched out as in cover the whole egg in wax and do that first. I took it down about as thin as it can go so I wouldn’t have any texture to it. Unfortunately, the powder kept getting stuck to the hole on the bottom and then bleeds into the paint. This was fun but, I will not be doing it again soon. I may do it later as a more long term project.

1/6: http://www.furaffinity.net/view/10231903/
2/6: http://www.furaffinity.net/view/10232131/
3/6: http://www.furaffinity.net/view/10232157/
4/6: http://www.furaffinity.net/view/10232192/
6/6: http://www.furaffinity.net/view/10232263/