There is only one file type that uses the .P21 extension:
Express STEP Data Model File
- Developer N/A
-
Popularity
3.0 (1 votes)
- Category 3D Image Files
- Format N/A
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.
| Software's name | License | Platforms |
|---|---|---|
LKSoft JSDAI for Eclipse |
 |
Updated: June 1, 2008