Curve Edit > Create > Duplicate Curve

Duplicates any curves that are picked when you click the tool, and any curves you click while the tool is active.

Procedures

Create a free curve from existing geometry

Duplicate Curve Options

Duplicate Type

No Rebuild – Do not rebuild the curve after duplicating it.

Curvature, Reduce Spans, Del Multi Knots, Uniform Knots, Match Knots – Rebuild the curve after duplicating it.

See the discussion of the Rebuild Type option of the Rebuild curve tool for information on the rebuild types and their options.

Control Options

Auto Update

Automatically update the new curve when the values in the Duplicate Curve window change.

MixMax Display

Automatically create a Min-Max deviation comb between the original and duplicated/rebuilt curves.

Interactive

Allows you to specify an arbitrary surface isoparametric curve to duplicate, rather than a visible one.

Smoothing

After duplicating, automatically switch to the Smooth tool to allow you to smooth the resulting curve.

Buttons

Update

When Auto Update is turned off, use this button to update the duplicated curve with the current values.

Undo

Undo all the changes made by the Duplicate Curve tool and return to the original curve.

Next

Finish duplicating the current curve and prompt for a new curve to duplicate.