This is done in the same style as my necklace/tie rack. (http://www.thingiverse.com/thing:125028). It will hold two kinds of pierced earrings, ones with clasps or hooks. Again I used the pause at Z function on my printer to change the colors in layers.
I printed on a Rep 2 in PLA at
If you are going to try and hang something heavier on it you might want to increase the density or shell count some.
To do the colors I paused at