This papercraft is a life size Iron Man Mark XXXIII (Mark 33), also known by its codename as the "Silver Centurion", a Enhanced Energy Suit, and was one of several new Iron Man Armors created by Tony Stark as part of the Iron Legion, based on the new Iron Man 3 movie, the paper model is created by Gaiatron.
The Mark 33 armor was created sometime after the Battle of New York. It was featured in Iron Man 3, and made its debut when Tony ordered J.A.R.V.I.S. to initiate the "House Party Protocol", in which it was activated along with all the other suits to aid Tony in his battle against Aldrich Killian.
The Mark 33 suit is primarily deep crimson red in color, with golden and silver highlights. It was designed for energy amplification and redirection, and thus has a distinctive body shape, being angular and polygonal.
It's armor plating are not boxy and square like like it's predecessors but more sleek and triangular, giving it a sharp, crisp look. [Source: wikia]
You can download this papercraft template here: Iron Man - Life Size Iron Man Mark 33 Armor Papercraft for Cosplay Free Download [DropBox] [Box] [Gavitex]