ExtendDynamic

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The ExtendDynamic command extends a curve by its natural extension to a boundary or point.

Steps

Select a curve near the end to extend
Click the end point or type an extension length.
The extension will be automatically joined with the original curve.

Command-line options
ToBoundary	Select a boundary to extend the curve to.
Type	Natural Lines, polylines, and polycurves with a line at the end to extend are extended by line. Arcs and polycurves with arc at the end to extend are extended by same radius arc. Other curves are extended smooth. Arc Makes an arc extension tangent to the original curve. Arc options Center Extends a curve with an arc by picking the arc's center and endpoint. Center steps Pick the arc's center point. Pick the arc's end point. Line Makes a line extension tangent to the original curve. Smooth Makes a smooth curve extension curvature continuous with the original curve.
ToPoint	Extends a curve smoothly by picking the curve's endpoint.
Undo	Reverses the last action.

See also

Extend curves and surfaces

Wikipedia: Tangent

Rhino 6 for Mac © 2010-2020 Robert McNeel & Associates. 11-Nov-2020