This paper model is Dragonbone Warhammer, a Two-Handed weapon in the game The Elder Scrolls V: Dawnguard, the paper model is created by ZombieGrimm. The finished model measures about 48 inches. The Dragonbone Warhammer has the highest base damage out of all weapons available.
The dragonbone warhammer is comprised of the femur of a dragon and a long decorative ebony handle. A fylfot is inscribed on the hilt. The dragonbone warhammer requires a Smithing level of 100 and the Dragon Armor perk to create. It can be upgraded with a dragon bone at a grindstone and also benefits from the Dragon Armor perk, which doubles the improvement. [Source: wikia]
You can download the papercraft model template here: The Elder Scrolls V: Dawnguard - Dragonbone Warhammer Free Papercraft Download