This paper model is a Dragonbone Dagger, a One-Handed weapon found in the game The Elder Scrolls V: Skyrim, the paper model is created by ZombieGrimm. The finished model measures about 10 inches long.
The Dragonbone Dagger 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.
You can download the papercraft model template here: The Elder Scrolls V: Dawnguard - Dragonbone Dagger Papercraft Free Download