prt) can be exported from within NX to other common CAD or 3D formats such as OBJ or STL. Besides being used natively in NX, NX parts (. prt file represents a three-dimensional model of a CAD part or other object created and saved in NX. NX's modeling subsystem is built upon the Parasolid geometry kernel and uses a proprietary format to save its model files.
NX (also referred to as Unigraphics, UG, NX-UG) is the name of a multi-platform CAD/CAM/CAE system from Siemens PLM Software. prt extension has its primary association with the NX Part (.
