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| Parasolid | |
|---|---|
| Developers | Shape Data Ltd,Siemens Digital Industries Software |
| Initial release | 1986; 40 years ago (1986) |
| Stable release | v38.0 / 1 August 2025; 6 months ago (2025-08-01) |
| Operating system | Windows,Linux,macOS,iOS,Android |
| Platform | IA-32,x86-64,Apple silicon,AArch64. |
| Available in | English |
| Type | geometric modeling kernel |
| License | proprietary |
| Website | plm |
Parasolid is ageometric modeling kernel originally developed byShape Data Limited, now owned and developed bySiemens Digital Industries Software. It can belicensed by other companies for use in their3D computer graphics software products.
Parasolid's abilities include model creation and editing utilities such asBoolean modeling operators, feature modeling support, advanced surfacing, thickening and hollowing, blending and filleting, and sheet modeling. It also incorporates modeling with mesh surfaces and lattices.[1][2] Parasolid also includes tools for direct model editing, including tapering, offsetting, geometry replacement and removing feature details with automated regeneration of surrounding data. Parasolid also provides wide-ranging graphical and rendering support, including hidden-line, wireframe and drafting, tessellation, and model data inquiries.
To use Parasolid effectively, software developers need knowledge of CAD in general,computational geometry, andtopology.
Parasolid is available forWindows (32-bit,64-bit andAArch64),Linux (64-bit and AArch64),macOS (Apple silicon and Intel),iOS, andAndroid.[3]
| Parasolid XT[4] | |
|---|---|
| Filename extension | .X_T,.X_B,.P_T and .P_B[4] |
| Developed by | Siemens Digital Industries Software |
| Type of format | textual, binary[4] |
Parasolid parts are normally saved in XT format, which usually has the file extension.X_T.[4] The format is documented andopen.[5] 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.
It is used in manycomputer-aided design (CAD),computer-aided manufacturing (CAM),computer-aided engineering (CAE),product visualization, andCAD data exchange packages.
Notable uses include:
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