QCAD 3.9.1

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  • Windows 7
  • Windows 8
  • Windows Vista
  • Windows XP
  • Windows 8.1

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#7 in Engineering


17.7 MB


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QCAD 3.9.1


QCAD has a multi-document user interface. 24-bit colors can be used for all drawings as well as 24 different line widths and 19 line styles. All system fonts are scalable and available for texts in the drawings. A good number of toolbars are available which you can show or hide based on your personal preferences. Many shortcut keys can be used and customized to speed up your work.

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Basic Operations

Besides everything mentioned above, QCAD 3.9.1 is much more. It has console tools that can convert in batches DXF and DWG files to PDF or SVG files. The integrated Clipboard widget can display the current content of your Clipboard. Isometric projections, a.k.a. pseudo 3D, and orthographic projections onto cylinder are possible as well as 2D matrix transformations. The Layer tool can show you a list of all available layers and their status in a dockable widget. By using it, you can not only add, edit or remove layers, but also show only active layers or hide individual ones.


This straightforward application runs on a moderate-to-high amount of CPU and system memory and is pretty responsive to commands. We have not come across any issues during our tests; QCAD did not cause the operating system to freeze, crash or pop up error dialogs. Thanks to its intuitive layout, first time users may seamlessly figure out how to use this app.


  • Lots of features
  • Simple to use
  • Does not need many system resources
  • Good interface


  • None
Reviewed by: Igril Hristov


Our security scan shows that QCAD is clean from viruses. The current version of QCAD has been scanned by our system, which contains 46 different anti-virus algorithms. That ensures that QCAD 3.9.1 is 100% safe for your computer.

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