FreeCAD

FreeCAD is a versatile 3D CAD modeler that combines powerful functionality with a lightweight, portable footprint. It offers a rich set of parametric modeling tools, enabling you to design complex objects by defining and modifying their history and constraints. The software is packed with handy options and configurable parameters, making it adaptable for beginners learning CAD fundamentals and experts working on advanced projects. Its portability ensures you can work on your designs anywhere. As a free and open-source application, FreeCAD empowers a wide community to design, simulate, and prepare models for manufacturing or 3D printing without cost barriers.