Back to School Uhu has a 8 Smurf papercraft characters  available for download. The first four are for beginners while the second group are for advanced. Link by Pcharlebois.
Smurfs Papercraft

The Dusso airplane is a NAZI scifi concept aircraft. This model is a collaboration between myhobbypapercraft.com and Yanick Dusseault.
Dusso Plane Papercraft

2012 is the Year of the Dragon and to welcome that, Mochizuki printing corporation of Japan has put up adragon  mascot and mask papercraft.

2012 Year of the Dragon Papercraft - Mascot & Mask

Alfonzo is a train engineer and a former soldier in the Spirit Tracks game.
The Legend of Zelda: Spirit Tracks Alfonzo Papercraft

The calendar for the month of December features Jesus' resurrection.
December 2011 Calendar Papercraft

This is one of the weapons used by Rikku in the RPG Final Fanyasy X-2.
FFX-2 Rikku's Weapon Papercraft

An F-18 aircraft based on the Black Lions F/A-18F Super Hornet of Squadron 213 based at Naval Air Station Oceana, Virgina United States.
F/A-18F Black Lions Super Hornet Papercraft

A Non-Specific Pistol with some moving parts like slide, safety and  magazine.

Non Specific Pistol Papercraft

The AKM (Russian - Avtomat Kalashnikova Modernizirovanniy or "Kalashnikov's modernized automatic rifle") is a 7.62mm assault rifle designed by Mikhail Kalashnikov. It is an upgraded version of the AK-47 rifle and was developed in the 1950s-wiki

This model is in 1:1 scale and was designed by deviantART user Hoborginc.

AKM Papercraft

Swiss Wood Cabin Diorama Papercraft

The AR-15 is a lightweight, 5.56 mm, air-cooled, gas-operated, magazine-fed semi-automatic rifle, with a rotating-lock bolt, actuated by direct impingement gas operation-wiki

This model by deviantART user Hoborginc is in 1:1 scale with 27 pages of parts.
AR-15 Semi-Automatic Rifle Papercraft

It's a bummer as I never had the chance to see Real Steel. Anyways, here's an awesome model of the robot from a movie that you might want to build. Available in simple and detailed versions. Noisy Boy is a world-renowned fighter from Japan that the main character Charlie Kenton bought for $45,000. He has a voice command feature that could speak in four different languages, Japanese and English included.

Real Steel Papercraft Noisy Boy

It's the SSV Normandy dropping off the M35 Mako infantry fighting vehicle.

Mass Effect Normandy & Mako Papercraft

Someone is sick of waiting and you can notice it by his rapidly tapping foot. This fun project is available for £2.50 and free for members of Rob Ives' blog.
The Impatient Surly Jack Paper Automata

Did you know that nutcrackers (at least the wooden ones like our friend here) started popping up in Germany around 1800? And, did you know that the German word for nutcracker is “Nussknacker”? AND, did you know that these little guys love to take refuge in abandoned jack-in-the-boxes? It’s true—they’ll crawl right in and make themselves at home. They’re basically the hermit crab of children’s toys.

Scout Creative's calendar for the month of December is a 3D nutcracker. Let's start crackin' paper nuts!
2011 December Calendar of the Month - Nutcracker Papercraft

The Vodaphone Christmas Clones are back for the Christmas season! Go grab 'em all.

Vodaphone Christmas Clones Papercraft

Azura's Star is a powerful and reusable Daedric Artifact that can be used to enchant or recharge powerful items.

Elder Scrolls V - Azura's Star Papercraft

The Shrine of Talos is a statue in The Elder Scrolls V: Skyrim, wherein if activated will provide the player with a "Fortify Shouts" blessing.

Elder Scrolls V Shrine of Talos Papercraft

Bomb is an enemy is Final Fantasy VIII and like the previous incarnations of Bombs in other Final Fantasy games, the Bomb will grow as it receives physical or magic attack. Its final move will be Suicide.
Final Fantasy VIII Bomb Papercraft

A papercraft skull based on a skeleton that appears in the Oogie's Manor area of the Kingdom Hearts 2 video game.
Kingdom Hearts 2 Oogie's Manor Skull Papercraft

The Bomb  from Final Fantasy IX is a flying enemy which can be dangerous to fight as after using Grow three times, they will use the self destruct technique "Blowup."
Final Fantasy IX Bomb Papercraft

After all the miniature monsters posted, Eiddnic has decided to add some player characters composed of Paladin, Sorceress, Warrior, Barbarian and the Elf Ranger.

2.5D Player Character Papercraft

"Big Sisters are the new gatekeepers of Rapture: Born from Little Sisters, they don costumes much like their former protectors--the Big Daddy. However, these lithe, broken, mysterious creatures are worlds different from the hulking beasts that inspired their design, and everything from the way their armor appeared to how they cocked their head had to tell the story of their creation."

―Deco Devolution: The Art of BioShock 2 - Introduction to Big Sister chapter

Another excellent project from deviantART user Destro2k. This model's pretty big as it stands at 60 cm tall. It's also pretty complicated to build as it comprises 52 pages with 520 pieces of parts.

BioShock 2 Bigsister Papercraft

Playboy Model Papercraft via Papermau

Mystia is a little Night Sparrow with an egocentric personality from the Touhou Project.

Touhou Project Mystia Lorelei Papercraft

There's a new papercraft designer around and he wants to share with you his works. Science-Story is currently offering three planet models by Mickey which include Earth, Mars and Jupiter. Maybe more will be added soon.

Earth, Mars & Jupiter Papercraft

Whiscash is a dual-type water/ground Pokémon that evolves from Barboach. It resembles a bulky dark blue fish with a big mouth.
Pokemon Whiscash Papercraft

Didier adds the final part to his Bethlehem Town diorama. It makes a nice addition as it is the largest structure in town.
Bethlehem Town Inn Papercraft

Penguins are a species of flightless bird found in the Mario series. They are good swimmers and often inhabit cold climates, like their real-world counterparts, to which they bear varying degrees of resemblance, depending on the game. Most of them do not hurt Mario, though they sometimes act as obstacles or hindrances to his quest.

Super Mario - Penguins Papercraft

This helmet is worn by the playable character in the Elder Scrolls V: Skyrim game.
Elder Scrolls V - Skyrim Papercraft: Iron Helmet via Tektonten

I made a new Professor Layton-style puzzle, "Laundromat Layman": Luke has made a mess of the launderette and now he can't reach the exit anymore - unless you figure out where to place one extra washing machine...-Ninjatoes
Laytoes Challenge 002 Laundromat Layman Papercraft

Kirin has posted a new set of papercraft to celebrate the coming New Year 2012. The set includes a calendar and all sorts of goodies.
New Year 2012 Papercraft Set

Check out these different colored pigs found in the Legend of Zelda: Wind Waker game.
Wind Waker Pig Papercraft

Sinner introduces a new papertoy series that you can customize. Download the surfboard template and check out the first custom named Jaws.

Surfboard Papercraft & Jaws Custom

The ninth edition of the II Love papercraft magazine is now available for download!II Love # 9 Papercraft Magazine

The Beatles from Liverpool were an English rock band, active throughout the 1960s.  They are considered as the most commercially successful band in the history of popular music. The group consisted of John Lennon (rhythm guitar, vocals), Paul McCartney (bass guitar, vocals), George Harrison (lead guitar, vocals) and Ringo Starr (drums, vocals).

The Beatles Papercraft

Didier has posted some new additional parts for the Bethlehem town.
Bethlehem Town House & Accessories Papercraft

A small but detailed 1:50 scaled Lamborghini Gallardo with an Italian Police design from Yudho. The model was based on two Lamborghini cars donated to the Italian police back in 2004.
Lamborghini Gallardo - Italian Police Car Papercraft

A World War II era Bedford truck papercraft full of cargo by Mauther.
WW2 Bedford Truck Papercraft

Emotional Jack is a boy whose emotion changes like the weather!
It is a paper craft which enables you to change the facial expression of Jack.
How does Jack feel today? It is all up to you!-Little Plastic Man

That's one sad and angry papertoy we got there as I see no happy face. But just stay tuned as the designer plans to make more facial expressions available soon!
Emotional Jack Papercraft

Clone Commander Appo (aka CC-1119) from Star Wars led the elite unit of clone troopers known as the 501st Legion in the Clone Wars.

Star Wars: Clone Commander Appo Papercraft

This army of dog paper toys built by Bryan served as centerpieces that held treats for his friend's wedding. The model was based on a rescue dog named Spanky that the designer used to walk.

Spanky the Dog Papercraft

Azelf's spirit can leave its body without dying. Its spirit can return to the body at will. Azelf has the ability to control one's will, according to the Sinnoh Pokémon Handbook. It can also enter the body of another Pokémon or a human. According to legend, if Azelf is harmed it can cause humans to lose all will inside of them, making them completely immobile for all eternity.
Pokemon Azelf Papercraft

Delcatty is a normalt type Prim Pokemon. Delcatty possess a purple flower-like tuft of hair on the ends of their thin tails which make it similar to the Eeveelutions.
Pokemon Delcatty Papercraft

Nosepass is a 3rd generation rock type Pokemon that evolves into Probopass.
Pokemon Nosepass Papercraft

Two cubee T-800 papercraft from the Terminator movie is now up for grabs. These customs by Aftadil is available in regular and damaged versions.
Terminator - T-800 Papercraft Cubee