Friday Funnies: This 3D-printed machine gun shoots paper airplanes


As has been amply reported in PlasticsToday, 3D printing is a truly remarkable technology that has had a profound impact on everything from medical manufacturing to moldmaking. But part of me wants to believe that, perhaps, its greatest and most elegant achievement is a machine gun that takes sheets of paper, folds them into airplanes, and shoots them into space.

Dieter Michael Krone, a mechanical engineer from Düsseldorf, Germany, describes the invention in this way on YouTube: "A little tinkering from me that shows what you can do with 3D printers today. Most parts of this paper airplane machine gun [were] printed by [3D printing services provider]" The other parts can be purchased online or at a hardware store, he adds. Krone does not, however, share information on how you might go about printing one of these babies on your own.

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