Working gun made with 3D printer

[stardust47]

I'm not sure about this. Whilst guns are one of my main hobbies (10 metre air pistol, if you really must know), the idea that any idiot can get their hands on one (albiet at great personal expense) is a troubling thought. Whilst a Liberator probably won't be much use in, say, a primary school, metal 3D printing probably isn't too far off.

Can't we find a better use for 3D printers, like making replacement organs or ending world hunger?

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