For a description of generic settings common to all tools in the Toolbox, see Working in Tool Settings Dialog Boxes.
Geometry methods are: Natural Splines, Bézier Splines and Free-hand.
For more information, see Drawing Splines.
Spline General Settings Panel
The General Settings panel is similar to those of the Line, Arc/Circle, Polyline and Spline tools.
See description at Line General Settings Panel.
For Splines only, use the two pairs of control buttons to define the type of spline:
•either a natural Spline or a Bézier curve.
•either an open-ended or a closed spline.
Spline Tags and Categories Panel
See description at Line Tags and Categories Panel.