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.HSF File Extension

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File TypeHOOPS Stream Format File

DeveloperTech Soft 3D
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Rare Uncommon Average Common Very Common
CategoryCAD Files


This file is saved in a binary format, which requires a specific program to read its contents.


File created in the HOOPS Stream Format (HSF), a CAD publishing format developed by Tech Soft 3D for visualization; supported via plug-in or as a native publishing format by several CAD applications, including SolidWorks and CATIA v5.

More Information

OpenHSF has largely been replaced by Adobe's 3D PDF technology, which allows 3D visualization data to be embedded into .PDF documents. The OpenHSF Initiative promoted the HOOPS Stream Format until the PDF visualization technology became available.

Programs that open HSF files
Dassault Systemes CATIA
Dassault Systemes SolidWorks
Updated 9/13/2011