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Guns 3D "printing is useless"

May 30 2014 Last updated at 11:06 BST

Technology enthusiasts to alert the police did not try to use 3D printers to make plastic guns, because when cannons exploded tests were performed.

Weapons relatively cheap printed plastic were successfully released in the United States.

British scientists say without further experience and the type of ammunition, anyone trying to make a maul or maybe even kill.

They also note that it may be illegal.

Phil Mackie, had exclusive access to the tests carried out by the National Intelligence ballistics access to Birmingham.