'Print your own bladder, skull or arm'

A new exhibition dedicated to innovations in 3D printing has opened at the Science Museum in London.

The exhibition, called 3D: printing the future, external, includes a printed scaffold for a bladder and a skull, plus a prosthetic arm which features structural and electronic components printed simultaneously.

We also hear from the BBC's Evan Davis and meet his mini 3D self.

Video journalist: Neil Bowdler