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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.
How 3D Printing Technology Keeps Old Cars Running Elana Scherr - Car and Driver. Additive manufacturing, or "3D printing," is commonly used for prototyping, as the machines can create parts ...
This technology of hot-melt inks printing layers of CMYK was a precursor to a 3D patent by Richard Helinski. A few years later (1993), the patent was licensed first by Sanders Prototype, Inc.,(Renamed Solidscape , Inc) a manufacturer of the first desktop Rapid Prototype printer in the industry, the Modelmaker 6 Pro.
3D printing, and open source 3D printers in particular, are the latest technology making inroads into the classroom. [ 158 ] [ 159 ] [ 160 ] 3D printing allows students to create prototypes of items without the use of expensive tooling required in subtractive methods.
Electron-beam additive manufacturing, or electron-beam melting (EBM) is a type of additive manufacturing, or 3D printing, for metal parts.The raw material (metal powder or wire) is placed under a vacuum and fused together from heating by an electron beam.
An example of how 3D printing can be included in the design process is automotive design. [19] There, it is necessary to quickly test and verify a prototype to get the design approved for production. The reduced post-processing steps induced by the multi-material 3D printing technology result in a shorter fabrication time.