This papercraft is a Dawnguard Full Helmet, a piece of heavy armor and part of the Dawnguard Heavy Armor set found in the game The Elder Scrolls V: Dawnguard, the paper model is created by ZombieGrimm. The finished model measures about 12 inches. This helmet is worn by members of the Dawnguard.
While wearing a complete set of Dawnguard Heavy Armor, the helmet grants 25% less damage from Vampire attacks and Drain Life spells. It can be upgraded with Steel Ingot at a workbench and also benefits from the Advanced Armors perk, which doubles the improvement.
You can download the papercraft model template here: The Elder Scrolls V: Dawnguard - Dawnguard Full Helmet Papercraft Free Download