Find more about the Open CASCADE Technology, 3D modeling & numerical simulation

Open CASCADE Technology is a software development platform freely available in open source. It includes components for 3D surface and solid modeling, visualization, data exchange and rapid application development.

Open CASCADE Technology can be best applied in development of numerical simulation software including CAD/CAM/CAE, AEC and GIS, as well as PDM applications.

Since june 16;2011 OPEN CASCADE S.A.S. is announced a new public maintenance release of Open CASCADE Technology (version 6.5.1). This release introduces about 60 modifications and bug fixes, over previous public minor release 6.5.

Main improvements include:


  • New tools for memory usage analysis and optimization
  • Improved performance and correctness of BRepMesh algorithm
  • Optimization of point-on-surface projection in Extrema package
    • Multiple improvements to increase robustness

    Detailed information is available in Release Notes (PDF).BY TAATJENE

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