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First 3D printed frame to be successfully tested with 1000+ rounds full auto in one sitting without failure. [61] [62] 3011 / 3011DS [63] 2021, November; 2023, January (DS) Receiver: 1911 based PDW FDM Deterrence Dispensed .45 ACP, 9×19mm Parabellum, .22 TCM: Utilizes a 1911 slide for the upper, and an AR-15 fire control group.
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Gilbert cloud chamber, assembled An alternative view of kit contents. The lab contained a cloud chamber allowing the viewer to watch alpha particles traveling at 12,000 miles per second (19,000,000 m/s), a spinthariscope showing the results of radioactive disintegration on a fluorescent screen, and an electroscope measuring the radioactivity of different substances in the set.
3D printing, or additive manufacturing, is the construction of a three-dimensional object from a CAD model or a digital 3D model. [1] [2] [3] It can be done in a variety of processes in which material is deposited, joined or solidified under computer control, [4] with the material being added together (such as plastics, liquids or powder grains being fused), typically layer by layer.
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The sets came in two sizes: a single red car set (17), and the bigger two-car set that contained the blue car (18). The sets that came in the upright storage containers were Set #30 (one car) and Set #31 (two cars) There were no track switches , so the layout was either a completed circuit (circle), or a single line, (red end-of-line bumpers ...
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The Liberator is a 3D-printable single-shot handgun, the first such printable firearm design made widely available online. [2] [3] [4] The open source firm Defense Distributed designed the gun and released the plans on the Internet on May 6, 2013.