Heptagonal Dodecahedron (type A) (C3-symmetric form 3)
thingiverse
An interesting polyhedra model from Chris Wallace's (http://www.thingiverse.com/kitwallace/designs) directory of solids: http://kitwallace.co.uk/3d/solid-index.xq I've rotated the model to make it printable without supports. Example print is in Colorfabb Copperfill, polished and treated with oxidising patina fluid to get the blue colour.
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