Open CASCADE is an open-source 3D computer-aided design (CAD) software platform that offers powerful tools for creating, modifying, and analyzing 3D models. The software is used by engineers, designers, and manufacturers in industries such as automotive, aerospace, and architecture to develop complex geometric shapes and simulations. Open CASCADE supports a wide range of features, including 3D modeling, surface and solid modeling, mesh generation, and finite element analysis. It also includes tools for visualization, allowing users to interact with and manipulate their designs in real-time. The software’s open-source nature allows for extensive customization, enabling developers to tailor the platform to their specific needs and integrate it with other applications and systems. Open CASCADE is highly extensible and supports a variety of file formats, ensuring compatibility with other CAD software tools. By using Open CASCADE, businesses can create highly accurate and detailed 3D models, enhancing their design process and improving product development cycles.