How to > Advanced features and topics > Analyze > Measure > Measure axis > Measure the axis of an edge tangent
  
Measure the axis of an edge tangent
To measure the axis of an edge tangent
1. Click Analysis and then, in the Measure group, click the arrow next to Direction.
2. Click Axis 3D. The Measure Output dialog box opens.
3. Right-click the viewport and select Point and Dir.
4. Specify an axis point.
5. Right-click and select Edge Tangent.
6. You now have two choices:
If the direction of the axis is correct, click Apply.
If you want the opposite direction, click Apply Reverse.
Creo Elements/Direct 3D Access displays the axis point and direction in the two sets of X, Y, and Z fields.
7. You can click further measure options, or click to complete the operation.