Make a Comment • Email Link • Send Letter to Editor IPFS News Link • Science, Medicine and Technology 3D printing demo -- ball bearings! 03-31-2011 • youtube.com This video shows and describes the operation of the Z-corp 310 printer. It is fully functioning part with ball bearings! Watch Streaming Broadcast Live: LRN.fm DLive Live Chat Telegram Share this page with your friends on your favorite social network: