This papercraft is an Iron Man Mark III War Machine Armor Bust, based on Marvel Comics' comic books and films, the papercraft is created by Rafael Cunha. The size of finished model is about 400 (H) x 204 (W) x 248 (D) mm.
The Mark III War Machine Armor was the second armor used by James Rhodes while he was an official member of the Avengers. It was created sometime after the Battle of Sokovia, as a replacement to the Mark II War Machine Armor.
You can download this papercraft template here: Iron Man Mark III War Machine Armor Bust Free Papercraft Download