Location: Tools>Verify>Spline>Curvature Graph
Use the Curvature Graph function to generate check points on a selected curve.
Using the Function:
Select Curvature Graph from the Verify>Spline submenu.
Select the entity (curve) to verify.
Specify the number of check points.
Select the ENTER key. Lines will be generated normal to the curve, and with lengths equal to the curvature radius at their start position.