Use the Edge Evaluation command to display the curvature comb for selected edges.

OptionsDisplay the curvature plot of edges for evaluation
Display mode controls how the curvature is represented in the graphics window.

Display min-max radius controls the display of the minimum and maximum radius of the selected edge.
Density sets the number of combs displayed.
Scale sets the scale of the curvature comb.
Show me how to display the curvature plot of edges for evaluation