Once Wilson has printed the gun and ensured that it works, the weapon's 3D model files will be uploaded to the internet and open sourced -- so that you and I can print an almost-undetectable firearm.

Dr. Tepper, a plastic and reconstructive surgeon with Montefiore Health System, said a hologram used to create the 3D model for the pre-op consultation can also be projected onto the patient's ...

All the 3D models are available for download (Opens in a new window) if you want to build your own plastic Wi-Fi devices. Tagged In Plastic Wi-fi 3D Printing Wifi More from Extreme.

We look at a device that helps save the planet by recycling plastic water bottles into 3D printer filament. Read on for a very cool machine and some very scary stats.