Omnitrix from Ben 10, an American animated television series shown in Cartoon Network is a device that allows the main character Ben to change form into several different aliens. This was deseigned by Ryan Mangion.
Ben 10: Omnitrix Papercraft

Check out Tektonten's third and final Tron identity disc papercraft. This disc belongs to Jet Bradley, the playable character from the game.
Tron 2.0 Papercraft: Jet's Identity Disk

Darth Vader is up for grabs!
Star Wars: SD Darth Vader Papercraft

Barong is a character in the mythology of Bali. He is the king of the spirits,
leader of the hosts of good, and enemy of Rangda in the mythological traditions
of Bali. Banas Pati Rajah is the fourth “brother” or spirit child that accompanies
a child throughout life. Banas Pati Rajah is the spirit which animates Barong.
A protector spirit, he is often represented by a lion, and traditional
performances of his struggles against Rangda are popular parts of Balinese culture.
Barong Papercraft

Target Australia is offering a cute papertoy named Tommy Teddy. It's part of the promotion for the upcoming toy sale that will start on July 23. Thanks to Adrian for the link.
Tommy Teddy Papercraft

Here is the oldest version of wolf in WoW, found in starter areas of both Alliance and Horde. Six skins included: Arctic, Black, Coyote, Timber, Diseased and Ghost.
WoW: Wolf Papercraft

This blue CNG (Compressed Natural Gas) fueled bus called Transjakarta is one of the buses that run on Corridor II, Pulogadung bus terminal to Pasar Baru Jakarta, Indonesia. There are total 7 corridors of mass transit bus in Jakarta. TransJakarta was designed to provide the citizens of Jakarta a fast public transportation system to help reduce rush hour traffic.
TransJakarta Bus Papercraft

Abz has added a couple of good-looking custom papertoys from different graphic artist at Oh-Sheet. Go grab 'em guys!
Oh-Sheet Custom Papercraft

Cartoon Network has released the Flintstones papercrafts of Fred Flintstone, Barney Rubble, Pebbles, and Bamm-Bamm to promote the Fruity Pebbles breakfast cereal.
Flintstones Papercraft

Checkout saschacraft's biggest Tomb Raider papercraft yet. It's the stealthy Lara from the Age of Darkness.
Tomb Raider: Lara Croft Stealth Papercraft

Here are Stalfos' sword and knife from the game Twilight Princess.
Zelda Papercraft: Stalfos' Sword & Knife

Shinx is an electric-type Pokémon that evolves into Luxio.
Pokemon Papercraft: Shinx

Here's another unit from Advance Wars that you can make to build up an army.
Advance Wars Papercraft: Orange Star Missile

Here's a diorama of a German submarine pen. It's a bunker that protected submarines or U-boats from bombing. German World War II U-boat pens in France included Saint-Nazaire, Lorient, La Rochelle and Toulon.
U-Boat Pen Diorama Papercraft

A Zelda game won't be complete without keys. This particular key was ripped from the Twilight Princess and can be use to open doors with chains.
Zelda Papercraft: Small Dungeon Key