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CAD tip # 12239:
Question
A
With the command SURFEXTRACTCURVE cou can create a spatial surface curve on a 3D solid or 3D surface. Select the source 3D object and use the Direction option to switch the U, V isoline direction to extract the requested curve.
The resulting curve is a spline for smooth sorfaces. Use the SPLINEDIT command to convert it to a polyline. See the example of a blue polyline and the original purple spline:
ACAD


16.5.2019
9731×
applies to: AutoCAD ·