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
Unilever's Burton-on-trent factory is to help manufacture a marmite egg which will go on sale this easter.
Prince Charles, Russell Brand and vlogger Zoella have been named in the annual Debrett's 500 list of the most influential Brits today.
A young mum wants to find a stranger who left her a handwritten note, describing her as a "credit to her generation" and a five pound note