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QCAD is an application for computer aided drafting in two dimensions (2d). With QCAD you can create technical drawings such as plans for buildings, interiors, mechanical parts or schematics and diagrams. QCAD works on Windows, Mac OS X and many Linux and Unix Systems. The source code of the QCAD Community Edition is released under the GPL (Open Source).

QCAD was designed with modularity, extensibility and portability in mind. But what people notice most often about QCAD is its intuitive user interface. QCAD is a simple 2D CAD system for everyone. You don't need any CAD experience to get started with QCAD immediately. You can download a free trial version and try QCAD today.

Main Features:

Layers
Blocks (grouping)
35 CAD fonts included
Support for TrueType fonts
Various Metrical and Imperial units
DXF and DWG input and output
Printing to scale
Printing on multiple pages
Over 40 construction tools
Over 20 modification tools
Construction and modification of points, lines, arcs, circles, ellipses, splines, polylines, texts, dimensions, hatches, fills, raster images
Various powerful entity selection tools
Object snaps
Measuring tools
Part library with over 4800 CAD parts
Very complete and extremely powerful ECMAScript scripting interface