FreeCAD is a comprehensive, open-source 3D modeling software that provides dynamic parametric modeling abilities, fit for for architects, engineers, and other professionals who need robust 3D modeling capabilities.
The software offers a broad range of 3D modeling tools, including sketching, evolving, extruding, sweeping, and boolean operations. These tools grant users to generate complex geometries, add fillets and chamfers, and perform advanced operations like blending and lofting. It also aids with parametric constraints, permitting users to define relationships between objects and control their dimensions. FreeCAD is based on a parametric modeling approach, and this means that models are constructed using constraints and relationships between objects, which allows for seamless modification and updating of designs. Parametric modeling grants users to create complex and precise designs with ease. Furthermore, FreeCAD includes integrated simulation and analysis tools, such as finite element analysis (FEA) and dynamic simulation, and these enable users to test and validate their designs, perform stress analysis, simulate motion, and analyze structural behavior. This functionality is specifically valuable for engineers and designers working on mechanical and structural projects.