ORNL scientists 3D print the worlds smallest fidget spinner, the width of a human hair

While it may seem like the fidget spinner fad has run its course, we just came across a new 3D printed one that may change some minds. Researchers from the Oak Ridge National Laboratory (ORNL)—not your typical toy factory—have created what is most certainly the world’s smallest fidget spinner using additive manufacturing technology.

from 3ders.org - http://www.3ders.org