Acquisition by Tech Soft 3D FAQ


Theorem Solutions is now part of Tech Soft 3D, developer of HOOPS and CEETRON, the market-leading suite of SDKs for CAD, AEC, and CAE data import and export, 3D visualization, simulation and analysis, solid and mesh-based modeling, and 3D data publishing for both desktop and web.

You may be wondering what opportunities or what changes are in store for you. This page is here to provide clear information on various topics linked to the acquisition.

Feel free to contact us if your questions remain unanswered.

Who is Tech Soft 3D?

Tech Soft 3D is a long time technology partner of Theorem Solutions, providing HOOPS Publish software developer toolkits (SDKs), for Theorem's CADPublish 3D PDF publishing solutions.

The company was founded in 1996 and has historically been focused on providing core SDK’s/modules to software developers like Theorem Solutions.  Other partners include companies such as Autodesk, SolidWorks, Siemens, Bentley, ANSYS, Trimble, Hexagon and several hundred others.

The company is headquartered in Bend, Oregon USA, and has R&D offices in France (Lyon and Antibes) and Norway. In addition, many people also work remotely in various locations in the USA as well as in the UK, Germany, Italy, Japan, Korea and China.  You can find out more at

The company also has a sub-brand called which develops and sells products that are sold directly to end-users as plug-ins to Acrobat Professional.

What products and solutions does Tech Soft 3D offer?

Tech Soft 3D provides a broad range of engineering-specific software development toolkits. Its product line includes:

  • HOOPS Exchange: The world’s best engineering data access
  • HOOPS Visualize: The gold standard graphics engine for building native engineering applications
  • HOOPS Communicator: The powerful, purpose-built graphics kernel for developing web-based engineering applications
  • HOOPS Publish: The 3D data publishing toolkit for native 3D PDF, HTML and standard CAD formats
  • CEETRON Envision: Market-leading SDKs that are purpose-built for desktop and native web applications for CAE visualization of simulation results (for example, FEA and CFD simulations)

Additionally, Tech Soft 3D is the exclusive reseller of Parasolid from Siemens, the world’s leading solid modeling kernel, as well as Polygonica from MachineWorks, which is a robust technology for processing polygon meshes.

Rounding out the portfolio are the AutoCAD and Inventor OEM platforms, which enable developers to create unique applications on top of two of the world’s leading CAD packages, as well as the Tetra 4D line of end-user applications for creating and enriching smart reports using 3D PDF.

Who are Tech Soft 3D's customers?

Companies that are using software development toolkits from Tech Soft 3D include industry leaders such as Adobe, Autodesk, Hexagon, Dassault Systèmes, Trimble, 3D Systems, Bentley, ANSYS and more. Many of today’s most respected industry applications partnered with Tech Soft 3D in their start-up phases, including products like SolidWorks, SpaceClaim, ARAS, ANARK, GrabCAD, Synchro and Assemble Systems.

Why did Tech Soft 3D acquire Theorem Solutions?

Tech Soft 3D has acquired Theorem Solutions, makers of advanced solutions for CAD data translation and publishing. 

Theorem’s CADTranslate and CADPublish products complement Tech Soft 3D’s HOOPS Exchange and HOOPS Publish software developer toolkits (SDKs), and creates an ecosystem of data translation, publishing and 3D PDF solutions for end-users and developers alike. With, TheoremXR solutions providing capabilities for manufacturers to use their 3D CAD data in extended reality (XR) applications for numerous manufacturing use cases, such as design review, factory layout and more.

This acquisition not only makes Tech Soft 3D a one-stop shop for the most comprehensive set of CAD data translation and publishing solutions, and is also in line with our vision of helping users, developers and enterprises leverage the full value of their 3D data.

What is Tech Soft 3D's plan related to maintaining Theorem Solutions products?

Tech Soft 3D will continue to provide innovative, high-quality products and best-in-class services and support to our customers around the world.

Who do I contact for sales and support for Theorem Solutions products?

Sales and technical support for Theorem's products are unchanged. You can continue to reach us through your usual communication channel or contact us through our website’s contact page.