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    Saturday, July 27, 2013

    Types of 3D printers



    Three-dimensional printing or 3D printing is a technique for constructing objects originally developed for rapid prototyping. There are several methods such as stereolithography (SLA) and the FDM (Fuse Deposition Modeling). 3D printers can produce objects from three-dimensional CAD files, so it is a very accurate reproduction tool that makes objects by stacking layers of material in a chamber construction.
    The first 3D printer models have emerged in 1996 with the 402 Z for rapid prototyping and low cost. Subsequently, the models and the Z406 Z402c introduirent multicolor 3D printing.
    A second generation 3D printer was created in 2003 with the ZPrinter ® 310 which brought a higher level of resolution. Today 3D printers have advanced a lot, they are easy to use and integrates technologies all in one,
    3D printers operate files in standard formats such as. STL. WRL (VRML). PLY, .3 DS and. ZPR. The file is a 3D mesh consisting of a series of triangles oriented in space, which determine a 3D volume. The shapes of these files are made on a computer. These forms CAD files named for Computer-Aided Design can be downloaded from many specialized sites DEFCAD website or platform Thingiverse.

    Another advantage of 3D printers is the ability to build custom objects quickly and at low cost. There are many applications especially in the medical field to build prostheses for example, the dimensions will fit perfectly to the patient.

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