These paper models are Dragon Priest Mask, obtained after defeating each of the eight unique Dragon Priests that appear in fixed locations throughout Skyrim, based on the game series The Elder Scrolls, the papercrafts are created by Kuraudo3. Each mask is unique in color and varies in material. Masks are named after their respective masters and have unique effects; they are defined as either Light or Heavy Armor.
All Dragon Priest Masks require the Arcane Blacksmith perk to upgrade them. Most dragon masks can be found by talking to Arngeir in High Hrothgar, and asking if he has located any words of power. Several words of power are guarded by Dragon Priests. [Source: wikia]
You can download the papercraft models here: The Elder Scrolls - Dragon Priest Mask Papercraft Free Template Download