34 workflows
Open Cascade engineering
Technology and services for 3D software
Open CASCADE Technology, commercial DevTools, custom development, support, and training.
Since 2000OCCT developed in open source
Open + commercialtechnology paths
One product stack. Open-source foundation, commercial components, and application code.
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Browse by workflow, industry, or product
Start with the engineering task, industry context, or application closest to your project.
12 sectors
Industries
Application requirements across machinery, transport, energy, healthcare, marine, and infrastructure.4 applications
End-user products
CAD Assistant, CAD Processor, CAD Builder, and CADRays reference information.Technical articles
Engineering articles
Detailed OCCT articles on rendering, XDE, WebGL, documents, and supported platforms.Commercial components
DevTools for OCCT applications
Focused components for visualization, geometry processing, data integration, and engineering automation.
Developer toolingC# Wrapper
OCC C# Wrapper Seamlessly integrate C++ CAD kernel with .NET applications on Windows/Linux. High-performance cross-platform development solution.Discover
Web visualizationLight Web Viewer Component
Embed 3D visualization into your website or a web-based corporate solution. Interact with 3D models, create online product catalogues or configurators or collaborate on 3D projects with others right in a web.Discover
MeshingExpress Mesh Component
Achieve higher performance and better control over mesh quality with Open Cascade Express Mesh component. The best choice for applications where the speed of surface meshing is crucial.DiscoverServices and training
Expertise for your OCCT project
Get help with integration, investigation, team training, maintenance, or a complete application work package.
Technical support
OCCT questions, investigation, and consulting
Use a support-unit package for technical questions, scheduled investigation, consulting, corrections, and training.
Discover supportTraining
Instructor-led OCCT and SALOME courses
Choose standard online or on-site courses, or adapt the exercises to a team project.
Explore trainingCustom engineering
Consulting and custom 3D application development
Architecture review, bug fixing, development, integration, customization, and maintenance for OCCT-based software.
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News from OCCT3D
Open CASCADE Technology 8.0.1 is now available!
OCCT 8.0.1 is the first regular maintenance release in the 8.0 series. It consolidates fixes, performance improvements, and build updates introduced after 8.0.0p1.
Open CASCADE C# Wrapper Updated for OCCT 8.0.0
Open CASCADE C# Wrapper has been updated for Open CASCADE Technology 8.0.0. This release extends platform coverage, improves .NET integration, resolves string conversion issues, and expands the set of wrapped OCCT classes available from C# applications.…
Preparing OCCT3D Added-Value Components for the 8.0.0 generation
Together with the upcoming OCCT 8.0.0 release, Open Cascade is preparing the next generation of OCCT Added-Value Components. These components extend Open CASCADE Technology with additional capabilities for industrial software development. They are used by…
Open-source platform
Open CASCADE Technology
OCCT is a C++ platform for 3D geometry, topology, visualization, data exchange, and application data.
Explore Open Cascade Technology