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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.
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.
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.
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Cults was founded in 2014 and is the first fully independent 3D printing marketplace. [1]In 2015, La Poste established a partnership with Cults and 3D Slash to develop impression3d.laposte.fr, a digital manufacturing service, allowing users to have objects printed and shipped to them on demand.
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A gear train or gear set is a machine element of a mechanical system formed by mounting two or more gears on a frame such that the teeth of the gears engage.. Gear teeth are designed to ensure the pitch circles of engaging gears roll on each other without slipping, providing a smooth transmission of rotation from one gear to the next. [2]