How to create a 'Center of Gravity' mark or the Principal Axes using the Measure tool.
Solution
1. In the Menu, select 'Analysis-->Measure'.
2. Set 'Object to Measure = Object'.
3. Select the solid body.
4. Under the Settings group, toggle 'Associative' if needed.
5. Select the right-hand edge of the pop-up Information table to expand it.
This will expose the Geometry and Requirements columns.
6. In the 'Center of Gravity' and/or the 'Principal Axes' row, toggle the icon in the Geometry column to create the geometry on 'OK' or 'Apply'.
7. OK or Apply the Measure dialog.
Notes and References
Hardware/Software Configuration
Platform: all
OS: n/a
OS Version: n/a
Product: NX
Application: DESIGN
Version: V12.0.2
Function: INFO_ANALYSIS
Ref: 001-9321517