| File Type |
Express STEP Data Model File |
| File Format |
File |
| Common? |
No |
| 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 |