Computer Aided Design (CAD) software is used by engineers and architects to create two- and three-dimensional drawings and models of products and buildings. While CAD software can be expensive, there are a number of high-quality CAD programs available as freeware.

One of the most popular CAD programs available as freeware is SketchUp. SketchUp is easy to use and has a wide variety of features, making it a good choice for both beginners and experienced users. Another popular CAD program is AutoCAD, which is available as a trial version.

If you are looking for a CAD program that is specifically designed …