eDrawings for Windows is a free application from SolidWorks that allows you to view, interact with, and share 2D and 3D design data. It doesn[SQ]t require the full SolidWorks software to be installed. Key features include :

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Viewing 2D and 3D designs:

It supports a wide variety of file formats, including those created by SolidWorks, AutoCAD, and other CAD programs.
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Interactive exploration:

You can rotate, zoom, pan, and section models to examine them from all angles. Some models allow for measurements and other interactive features.
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Markup and annotation:

You can add notes, dimensions, and other annotations directly to the designs and share them with others.
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Collaboration:

eDrawings facilitates easy sharing of designs with colleagues, clients, and manufacturers, even if they don[SQ]t have CAD software. You can share files via email or through online portals.
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Lightweight:

It[SQ]s designed to be a small, fast, and easy-to-use application, making it accessible even on less powerful computers.
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Offline viewing:

You can view and interact with designs without needing an internet connection. However, some collaborative features might require an online connection.


Essentially, eDrawings is a powerful viewer and collaboration tool for CAD data, making it accessible to a broader audience than just those with expensive CAD software licenses.