3D printing hair is as easy as using a hot glue gun
 

Researchers at Carnegie Mellon University have devised an ingenious method for creating lifelike hair fibers the only requires a common, inexpensive fused deposition modeling (FDM) printer. The technique is surprisingly simple: the printer squeezes...

http://www.engadget.com/2015/10/29/3...-hot-glue-gun/