This paper model is a Gamilon Destroyer (aka the Exterminator-class Destroyer), a ship in the Gamilon Imperial Navy from the Alien series, the papercraft is created by Eric Son. The size of finished model is about 40 (H) x 37 (W) x 138 (D) mm.
The Gamilon Destroyer is 72 meters long, however it is heavily armed for a ship its size. Its armed with twin heavy energy cannons in the bow, 7 medium laser turrets, anti-aircraft missile launchers, and extensive anti-aircraft laser batteries. Gamilon Destroyers have a small crew size for their class of ship as well, with only 24 crew.
These ships were designed to attack in massive formations, creating holes in the enemy battle line and then swarm over any isolated sections and overwhelm them. Due to changes in the Gamilon battle strategy, moving from mass producing small, disposable ships, to a focus on producing heavier classes the Gamilon Destroyer is being relegated to escort and screening duties. However the sheer amount of these ships insure that it will remain in service for years to come. [Source: wikia]
You can download the paper model template here: Alien - Gamilon Exterminator Class Destroyer Free Paper Model Download [Box] [Gavitex]