Lix reveals a portable, pro-grade 3D printing pen
 

There's little doubt that 3Doodler's 3D printing pen is fun, but it's not strictly a precision tool; it's big, and mid-air drawing can get messy. Lix believes that pros need something more accurate, so it's crowdfunding a 3D pen of its own. The...

http://www.engadget.com/2014/04/30/l...=rss_truncated