Although other CAD software packages are often complicated to use, QCad tries to be different.īRL-CAD is a computer aided design (CAD) system for constructing solid geometry (CSG) solid models. It uses DXF files as its standard file format. QCad enables users to create technical drawings, such as plans, buildings, interiors, mechanical parts or architecture and diagrams. OpenCASCADE is a set of open-source CAD/CAM/CAE geometric model core, from Matra Datavision company in France, is the development platform of the famous CAD software EUCLID. If there are other better options, please leave a message in the comment area for more developers to learn and communicate.įreeCAD is a OpenCASCADEOpen source CAD/CAE tool.
Therefore, this article recommends several free and lightweight CAD tools/software. Although it is very powerful, it is not free.
AutoCAD is a popular commercial CAD software. With the development of all walks of life, CAD has been widely used in the design fields of industry, clothing, construction, and electronics industries.