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Extend and trim curves to meet at their endpoints.
ExtendDynamic
Lengthen a curve by its natural extension to a boundary or point.
Extend, Arc, Keep radius
Lengthen a curve with an arc keeping radius.
Extend, Arc, Center
Lengthen a curve with an arc from center.
Extend, Arc, ToPoint
Lengthen a curve with an arc to a point.
Extend, Line
Lengthen a curve with a line.
Extend, Smooth
Lengthen a curve smoothly.
Extend, to boundary
Lengthen a curve to a boundary curve or edge.
ExtendCrvOnSrf
Lengthen a curve on a surface to the surface edges.