Ok so nice I had to post:  http://3dprint.com/47296/3d-printed-superman From my investigation of various filaments,

Ok so nice I had to post: http://3dprint.com/47296/3d-printed-superman

From my investigation of various filaments, I found that one company does indeed make bronze and also copper infused filament which gives the superman painted effect. The company: Colofabb