What is a JT file? Lightweight 3D model format developed by Siemens PLM Software; designed as an open, high-performance, compact, persistent storage format for product data; used for product visualization, collaboration, and CAD data sharing.

More Information JT files may contain approximate (faceted) data, exact boundary representation surfaces (NURBS), Product and Manufacturing Information (PMI), and metadata . They may be exported by native CAD systems and imported by product data management (PDM) system. NOTE: The JT format is primarily used in the automobile and aerospace industries but is suitable for all manufacturing industry applications.