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I'm suggesting that the 3D printing section of this article - since it links to ""main"" 3D printed firearms article - needs a better brief summary, and that whatever all the sources on this page are being cited for would better serve that main page, per WP:SS and WP:SPINOFF. For comparison, see the 3D printers section of the Improvised firearm article; in addition to a link to the main article, it has one paragraph and two sources.    "