To Create a Constructed Sphere
By using the Sphere option, you can construct a sphere as a Best Fit through four or more points.
1. Click Inspect > Sphere. The CMM Construct tab opens.
2. Select the parent reference Csys from the Parent Csys drop-down list.
3. Select 4 or more measure or construct steps of the following types:
Circle (center)
Cone (cone vertex)
Sphere (center)
4. Click OK.