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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.
[86] [87] The most popular 3D printer in the world is the Prusa i3, a RepRap printer. [88] [89] Because of the FOSH aims of RepRap, many related projects have used their design for inspiration, creating an ecosystem of related or derivative 3D printers, most of which are also open-source designs. The availability of these open-source designs ...
The United States Air Force has begun to work with 3D printers, and the Israeli Air Force has also purchased a 3D printer to print spare parts. [ 114 ] In 2017, GE Aviation revealed that it had used design for additive manufacturing to create a helicopter engine with 16 parts instead of 900, weighing 40% lighter and being 60% cheaper.
The original printer, christened in 2019, was certified by Guinness World Records as the world’s largest polymer 3D printer, the university said. It was used to create a 600-square-foot, single-family home made of wood fiber and bio-resin materials that are recyclable. Dubbed “BioHome3D," it showed an ability to quickly produce homes.
Typically desktop 3D printers can make small plastic 3D objects. They use a roll of thin plastic filament, melting the plastic and then depositing it precisely to cool and harden. They normally build 3D objects from bottom to top in a series of many very thin plastic horizontal layers. This process often happens over the course of several hours.
Makerbot Replicator+ Desktop 3D Printer: FFF: 295 mm × 195 mm × 165 mm 11.6 in × 7.7 in × 6.5 in 100 μm Makerbot Replicator 2X Experimental 3D Printer: FFF: Makerbot Replicator Desktop 3D Printer: FFF: 252 mm × 199 mm × 150 mm 9.9 in × 7.8 in × 5.9 in Makerbot Replicator Mini Compact 3D Printer: FFF: 100 mm × 100 mm × 125 mm
A binder jetting 3D printer uses particles of a fine-grained powder, which are fused together using a binder, to form a three-dimensional object. [2] In principle, it consists out of two separate chambers: One functions as a reservoir for the powdered material, the other one as the printing chamber.
A desktop FFF printer made by Stratasys. Fused deposition modeling was developed by S. Scott Crump, co-founder of Stratasys, in 1988. [6] [7] With the 2009 expiration of the patent on this technology, [8] people could use this type of printing without paying Stratasys for the right to do so, opening up commercial, DIY, and open-source 3D printer applications.
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