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Parasolid parts are normally saved in XT format, which usually has the file extension .X_T. [2] The format is documented and open. [3] There is also a binary version of the format, usually with an .X_B extension, which is somewhat more compact. Both .X_T and .X_B are used for parts files.
Parasolid is developed and licensed by Siemens. Romulus was a predecessor to Parasolid. ShapeManager [5] is developed by Autodesk and was forked from ACIS in 2001. Granite [6] is developed by Parametric Technology Corporation. C3D Modeler is developed by C3D Labs, part of the ASCON Group. [7] [8]
Parasolid can represent wireframe, surface, solid, cellular and general non-manifold models. It stores topological and geometric information defining the shape of models in transmitting files. These files have a published format so that applications can have access to Parasolid models without necessarily using the Parasolid kernel. [11]
In 1988, Shape Data developed Parasolid, an upgrade of Romulus, that allowed the joining of boundary represented surfaces together as a solid. This program was the most advanced solid modelling kernel available on the market at the time of its 1989 release.
Solid Edge is a 3D computer-aided design (CAD), parametric feature and synchronous technology solid modeling software. It runs on Microsoft Windows and provides solid modeling, assembly modelling and 2D orthographic view functions for mechanical designers.
JT supports common product structure-to-file structure mappings. These include: Per part - All assembly nodes in a product structure hierarchy are stored in a single JT file, and each part node in the hierarchy is stored in an individual JT file in a sub-directory that is of the same name as the assembly JT file.
NX, formerly known as "Unigraphics", is an advanced high-end CAD/CAM/CAE, which has been owned since 2007 by Siemens Digital Industries Software. [1] [2] In 2000, Unigraphics purchased SDRC I-DEAS and began an effort to integrate aspects of both software packages into a single product which became Unigraphics NX or NX.
Digital Geometric Kernel (former KernelCAD) is a software development framework and a set of components for enabling 3D computer graphics computer-aided design (3D/CAD) function in Windows applications, developed by DInsight.