Grass Roots Engineering 3D printed a kayak that actually floats on water. It is made of 28 3D printed ABS plastic pieces that fit together, and it weighs about 64 pounds.
Image: Grass Roots Engineering
We've covered it before, but come on -- 3D printed pizza is something to be thankful for. The Foodini printed this pizza.
Image: Natural Machines
Dita Von Teese looks pretty great in this 3D printed gown, right? Fashion designers are experimenting with 3D printing clothing and accessories out of plastic. This one is 17 pieces that were dyed black and adorned with crystals.
President Obama is the first president of the US to be scanned and 3D printed. The Smithsonian 3D printed his bust.
At the beginning of 2014, 3D Systems and Hershey's teamed up to 3D print chocolate. The announcement was part of the unveiling of the ChefJet, which 3D prints sugar candies and chocolate.
Image: 3D Systems
A startup called Crayon Creatures takes adorable drawings from little kids and turns them into figurines using a 3D printer.
Image: Crayon Creatures
Paper airplane gun
This guy used a 3D printer to print a machine gun that folds and shoots paper airplanes. Kind of strange, but pretty cool engineering.
A wooly mammoth
As part of the Smithsonian Digitization Project, which will help them eventually get scanned artifacts out as classroom tools, a team at the Smithsonian National Museum of Natural History is working to scan and upload bones. They are also 3D printing more than 200 bones of a T-rex.
Godzilla stomping on San Francisco
Autodesk and Steelblue, a design agency, teamed up to 3D print a replica of 115 blocks of San Francisco. The Godzilla isn't 3D printed, but it's funny nonetheless.
Image: Daniel Terdiman/CNET
Companies have been printing helmets and bicycle parts for quite some time. But Flying Machine, an Australia-based company, just introduced a model for a customizable bike that is 3D printed using titanium.
Because why wouldn't you want a miniaturized, bobble-head-esque version of yourself? Use Amazon's 3D printing store to create a Mixee Me.
Martha Stewart stuff
Martha Stewart just announced that Stratasys will make a collection of branded PLA filament for MakerBot printers just in time for the holidays. The first printed objects available at the store are napkin rings, coasters, and place card holders.
Tiny houses are all the rage. A Chinese company used 3D printers to print tiny, one-story houses that cost $5,000 each. They used recycled cement and construction waste as the printing material.