Scan Tools > Creating Features > Creating Curves > To Create a Curve from a Curve
  
To Create a Curve from a Curve
1. Click Geometry > Curve > From Curve in Scan Tools. The AUTOMATIC menu appears.
2. Select one of the following:
NumberOfPnts—Creates a curve with the specified number of points. Type the number of points.
Within Tol—Creates a curve within the tolerance.
3. Select curves or edges from which you want to create curves.