It was assembled from separate printed components made from ABS plastic - only the firing pin was made from metal.

BBC: Working gun made with 3D printer

After browsing a site and making your selections, you click the eWallet icon in your Windows task bar, enter your PIN number, and drag your plastic of choice onto the site's order form.

CNN: Don't forget your eWallet when you shop online

Earlier this week Wilson posted a video online showing a single shot being fired from "The Liberator, " a plastic handgun that, with the exception of a metal firing pin and a piece of metal included to comply with the Undetectable Firearms Act, was assembled entirely from parts made with a 3-D printer.

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When they still fail to get the plastic back and its owner leaves, the thief retrieves the card and uses the memorised PIN to steal money.

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