Listen - Do You Really Need a Blueprint to Make a Plastic Gun On A 3D Print

What exactly can you make with a 3D printer and what are it's limitations? Can a plastic gun made by a 3D printer use normal bullets or would they have to be plastic as well? Do you need blueprints to use the printer? Can you really stop people from making plastic guns by not publishing blueprints? Dan will speak with a 3 D printer expert to find out.

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