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There are many CAD software applications
(see our links to vendors). These replicate
the old drafting board as a means to draw and create designs. As CAD
applications run on computers they provide a great deal more functionality than
a drafting board -- and a great deal more complexity. The lines and text
created in CAD are vectors. This means their shapes and positions
are described in mathematical terms. These vectors are stored on computer
systems in CAD files.
There are a great many different file formats for CAD. Most CAD
applications produce their own proprietary file format. The CAD
Autodesk, Inc. are used widely. As a result their
DWG format is very common. Many other CAD
applications from other vendors can produce and open DWG files, as well as
their own proprietary formats.
CAD data is often exchanged using DXF format. When CAD drawings are sent to printers the format commonly used is HPGL. HPGL files typically have the extension .plt.
Trix DrawingCenter software can be used to open, view, markup and print the common DWG, DXF, DWF and HPGL CAD format files. We also offer PDF conversion solutions.