This papercraft is a life size Quantum Nova Helmet, an alternative Helmet Item for Nova, from the free-to-play cooperative third-person shooter video game Warframe, the paper model is created by Sinner. The size of finished model is about 285 (H) x 187 (W) x 231 (D) mm.
Its blueprint can be acquired from Alert missions. To equip your newly bought or crafted helmet, go into the "Arsenal" page, then click on 'Appearance' tab, the Helmet will be the first item in the section labeled 'Physique'.
You can download the papercraft model here: Warframe - Life Size Quantum Nova Helmet Papercraft Free Template Download [Box] [Gavitex]