This paper model is a Iron Man Mark 17 (XVII) armor, known as the "Heartbreaker", an Artillery Level RT Suit and was one of the many newly built suits created by Tony Stark, sometime after the events of The Avengers, the superhero film Iron Man 3, the papercraft created by Cristiano Luis Dias, and colored by Suraj Prakash. The scale of the Iron Man paper craft model is in 1:6.
Mark XVII was featured in the movie Iron Man 3, and made it's debut in the movie, 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 help Tony in his battle against Aldrich Killian.
The suit earned it's name the Heartbreaker, because it has an oversized chest RT, which can fire powerful blasts. The Heartbreaker can fire narrow or wide beams and can also generate a repulsor shield for protection.
This is not a finished model, you can download the Part 1 of the template here: Iron Man 3 - Mark 17 (XVII) Heartbreaker Armor Free Paper Model Download