3D printing works by building up layer upon layer of material - typically plastic - to build complex solid objects.
Templates can be bought or downloaded and sent to printers - now available for domestic consumer use - and the products are built in minutes by the machines.
Common uses include jewellery, shoes and mobile phone cases but it is thought in future we will see clothing, medical devices and consumer electronics printed at home in this way.
More top news
Another unsettled day with cloud, rain and blustery winds.
Charaf Elmoudden, 26, has been found guilty at Harrow Crown Court of burgling pop star Rita Ora's home.
Buried here are the men of the 10th West Yorks, the unit that suffered the heaviest losses on the first day of the Somme.