Wonder if you can draw a doodle in the air without using paper? Yes, you can with the LIX, a 3D-printing pen, which is also the smallest 3D pen in the world.
A California-based company has taken 4D sonograms to a different level, by making replicas of unborn babies, using their latest 3D-printers.
3D printers could soon create the perfect insect wing, a feat perfected by nature over millennia.
Day in Pics: 22nd October
Showbiz World - October 22, 2014
Aamir Khan's sensational 'PK' posters