| File Type |
Express STEP Data Model File |
| Popularity |
 Average |
| Category |
3D Image Files |
| File Description |
3D model format used for three-dimensional product data representation and exchange; saved in an ACSII text format specified by ISO 10303-21; used primarily for industrial automation systems and integration purposes.
NOTE: Express AIM (Application Integrated Model) and MIM (Modular Integrated Model) files must use the .STP extension. |
| Program(s) that open p21 files |
 |
Windows |
 LKSoft JSDAI for Eclipse |
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| Sponsored Links |
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| Updated 11/22/2008 |
 Fix file extension .P21 errors. |
