1. Click File > Prepare > Model Properties. The Model Properties dialog box opens.

2. Click change. The Mass Properties dialog box opens.

3. Select Geometry and Parameters from the list in the Define Properties by area.

4. Select a coordinate system.

5. To change the default density, type a value in the Density box. If the object is an assembly, the Density box is empty.

6. Click Generate Report. The mass properties are calculated and displayed in the INFORMATION WINDOW. They are saved in a file objectname.m_p in your working directory.

7. To edit the file, use the Edit commands in the INFORMATION WINDOW.

8. To save the mass properties with a different file name, click File > Save as.

9. Click Close to close the report and return to the Model Properties dialog box.

10. Click OK.