Skydisk of Nebra

Here is a re-creation of an object I modeled a few months ago. It's inspired by the sky disk of Nebra which is more than 3600 years old (Bronze Age). I used Gimp to create extract some black/masks from a photo (see gallery) and assembled everything with my 2d to 3d application "eXtrudy":

http://www.thingiverse.com/thing:157322