Translation Solutions between STEP and the Siemens JT and NX formats.


Translate your 3D CAD data between the STEP and JT visualization formats.

Product Information

Translate your 3D CAD data between the STEP and NX formats.

Product Information

Many companies use STEP as the means of addressing collaboration between their business partners and themselves. Theorem has been providing high quality STEP solutions for both high end and mid range CAD systems since 1993. Many of the world's leading companies use Theorem products to meet their STEP requirements.

Theorem has long been active members of PDES Inc and the ProSTEP iViP Association helping lead the development of STEP technology. More recently we have developed the first AP203 E2 processor supporting the exchange of GD&T data for STEP. In addition we have done pioneering work to demonstrate the use of STEP for the exchange of feature and history data.


Free VR plug-in for current CADverter users

CADverter-VR is the FREE Plugin for existing users to visualize CAD assets in Virtual Reality!

Theorem CADverter and Publish 3D On-demand users are now entitled to the free Virtual Reality Plug-in enabling a quick and easy route into VR. Learn how you can explore, and visualize your 3D CAD data at scale, in a fully immersive Virtual Reality environment using CADverter-VR.


Development Partners

Subscribe Here!