This life-size bike helmet can protect cyclist against minor accidents.
Need to feel more comfortable inside your shoes? You can make yourself a perfect-fitting insole.
Using flexible material, you can even make yourself perfect-fitting swimming fins, too.
Or you can custom-make accessories for your gadgets -- like say, for your hair dryer.
You can't really use these body parts as replacements, but they will come in handy if you need to study anatomy.
3D printing is an excellent tool for making jewelry, helping you to be creative while saving a lot of time.
These 3D-printed eyeglass frames can actually be used in real life.
This unique prosthetic bionic arm can't be bought at the store.
You can 3D print quite large objects, such as accessories for your ride.
Or this Iron Man helmet.
And you can make small objects, too, of course, like action figures of yourself, or your loved ones.
Basically, with a 3D printer, your imagination is your limit. With a variety of materials, objects you make are not only unique but can also be useful in real-life.