Pokepark has them eating iron. According to the Pokedex that's true. Where am I going with this? I have no freakin clue
Easy build with amazing results considering how easy it is to make. The shell on the back is separate from the model itself so you can make it detachable if you want for whatever reason you might want to have it like that. Make hide some iron files if you make a hole in his back?
Download the Paperpokes template here: [link]