Spline parameters dialogue box

With end curvature

Here you select that the spline is created with end curvature.

Without end curvature

Here you select that the spline is created without end curvature.

Closed

Here you select that the spline is created closed.

Angle specification

Here you select that the spline is created with angle specification.

Initial angle

The initial angle is entered here.

End angle

The end angle is entered here.

Roughness

The roughness is entered here.

Minimum length

The minimum length is entered here.