Israel’s Nano Dimension is developing a desktop-sized 3D printer that prints electrical circuit boards.  It uses silver nano-particle processes developed by Hebrew University Professor Shlomo Magdassi to produce insulating and conductive inks for the circuits.  Maybe one day you will be able to print your own computer or mobile phone.   https://www.youtube.com/watch?v=s4m5skH0sGw

http://www.prweb.com/releases/2014/10/prweb12215397.htm   http://www.nano-di.com/