Conversion from Unigraphics to T-FLEX is not supported yet :(

Unigraphics is a former name for Siemens NX, an advanced CAD/CAM/CAE software application suite. However, veterans are still using the Unigraphics name.

In 2002, the new version of Siemens Unigraphics, merged with I-DEAS software, was released and called NX, which means "Next Generation". In fact, it was the last version of the software released under the Unigraphics name. All further releases became known as NX. So the addition of I-DEAS functionality to the core code of the Unigraphics has become the basis of the existing NX product line.

Siemens NX / Unigraphics use a .prt extension, which contains 3D CAD parts.

T-FLEX is a Parasolid-based parametric CAD software application for 3D solid modeling and 2D design and drafting, made by Russian software company Top Systems. T-FLEX CAD is developed for Microsoft Windows XP, Vista and is localized into many languages.

T-FLEX CAD is a design solution which was created for mechanical engineering. It provides drafting, modeling and assembly tools that allow engineers to develop various products, from single parts to assemblies.

T-FLEX CAD supports a wide range of operations: drawings, assembly drawings, solids, surfaces, parts, parts with multiple solid bodies, assembly models, sheet metal, bill of materials, etc.

T-FLEX CAD provides parametric, adaptive and associative technology aimed at family-of-parts manufacturers or other design situations that use similar geometry but require many different sizes or permutations. Besides parametric 3D modeling T-FLEX CAD supports parametric 2D drawings creation from scratch. Parametric 2D assemblies can be created as well by inserting parametric 2D components.