Everyone loves Portal. Everyone also loves that handy portal gun. Wouldn’t it be cool to throw space-warping wormholes everywhere? Out on the gizmo scene, the real trick has been making an accurate copy of the portal gun for everyday costume geekery. That problem has been solved by using a 3D printer to print out the gun directly from the game’s own model files. Can’t get much more accurate than that. Boing Boing has the story.