Curvature Combs Curvature combs provide visual enhancement of the slope and curvature of most sketch entities in part, assembly, and drawing documents. Contents Displaying Curvature Combs Changing the Scale and Density of Curvature Combs Hiding Curvature Combs Curvature Scale PropertyManager Parent topicSpline Tools Displaying Inflection Points Displaying the Minimum Radius of a Spline Setting a Fixed Length Tangent to Face Relations with Splines Converting Spline Types Freeform PropertyManager