During a hacker conference, 3D printed keys were used to open high-security handcuffs, a warning to the potential dangers of 3D printing.

Typically, as a security measure, keys to handcuffs used by law enforcement are not sold in stores for the average consumer. However, at a recent hacker conference, a German security consultant showed just how easy it was to make a 3D printed key to open the ‘high-security’ handcuffs. The action raised concerns about potential security breaches with 3D printing in criminal hands. Wired