Cline Tab - Knuckle Type
- Last UpdatedMar 18, 2026
- 1 minute read

Figure 4:43. Cline Creation - Knuckle Curve Type Option.
Used to create a spline from a series of points, where the spline consists of straight lines between each pair of points.
Use the Knuckle Type Option
-
Select Knuckle from the Curve Type dropdown list and give a specific name in the Name edit box.
-
After clicking Create, digitize a series of points in the appropriate view, using the cursor.
-
When all points have been digitized, the Right Mouse button is clicked to cancel the cursor and fit the curve.