To Create a Measure Step
1. To create measure steps, select one of the following buttons in the Measure group on the Inspect tab:
◦ 
Plane ◦ 
Surface ◦ 
Cylinder ◦ 
Cone ◦ 
Sphere ◦ 
Scan ◦ 
Circle ◦ 
Line/Axis ◦ 
Point The MEASUREMENT STEP dialog box opens.
2. Specify the required parameters.