The Coast Guards' response boat-small was designed to operate in shallow waters along coastal borders and has an overall length up to 25 feet with two outboard engines.
The Bussard ramjet (aka ramscoop) is an interstellar ramjet concept from the 60’s that relies on scooping up the protons that drift in interstellar space, and then get them to fuse to make a nuclear rocket.
A throwback to the 80's style arcades, here's the Topless Robot arcade cabinet papercraft created by freelance artist Mike Falcione for nerd' news site Topless Robot.
One more red ogre mask to scare the demons out of your house during Setsubun (Japanese Bean-throwing festival), this papercraft from Katsuyuki Shiga is more intricate than previous models.
The Fenrir keyblade from Kingdom Hearts II, it resembles a pin tumbler lock key and is obtained after defeating Sephiroth - papercraft created by deviantARTist StormL.
The Leaf Nismo RC is a race-ready electric vehicle powered by the same 107hp electric motor used on the consumer-oriented Nissan Leaf, it sports a carbon fiber body with race-tuned suspensions.
The Runed Lexicon is the result of transcribing the Blank Lexicon given by Septimus Signus in Discerning the Transmundane quest, it's used to open the large Dwemer lockbox.