OpenCASCADE: OpenCASCADE (3D modeling & numerical simulation) OpenCASCADE: OpenCASCADE: OpenCASCADE is a software development platform freely available in OpenCASCADE: open source. It includes components for 3D surface and solid OpenCASCADE: modelling, visualization, data exchange and rapid application OpenCASCADE: development. OpenCASCADE: OpenCASCADE: https://www.opencascade.com/ OpenCASCADE: OpenCASCADE: OpenCASCADE: