Extend and trim curves to meet at their endpoints.

Lengthen a curve.

Lengthen a curve with an arc keeping radius.

Lengthen a curve with an arc from center.

Lengthen a curve with an arc to a point.

Lengthen a curve with a line.

Lengthen a curve smoothly.

Lengthen a curve to a boundary curve or edge.

Lengthen a curve on a surface to the surface edges.

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