To Create an Intersect Line
By using the Intersect option, you can create a Constructed Line by intersecting two planes.
1. Click > 
Line/Axis. The CMM Construct tab opens.
Line/Axis. The CMM Construct tab opens.2. Select the parent reference Csys from the Parent Csys drop-down list.
3. Select Intersect from the Type drop-down list.
4. Select 2 measure or construct steps of type plane.
5. Click OK.