var vtn_player_type = "vp";var ven_video_key="NTczMjEzfHwxNDcxfHwwfHx8fHx8";var ven_width="660";var ven_height="409";The 3D Printshow opened in London on Thursday, showcasing the many uses of 3D printing, whether in racing cars, fashion, or even food. Duration: 01:02