Extruded
One curve
Select a line on the parting line or an edge.
OK
Indicate the extrusion length and its direction. This direction can be dynamically shown on the screen.

Several curves
Select the first curve on the parting line.
Select another curve on the parting line that will define the end of the path
Validate the sense or invert it
The system will always select the shortest path.
Indicate the extrusion length and its direction. This direction can be dynamically shown on the screen.

Smooth curves
This option allows to smooth the curves (no the surfaces) while in the function.

Once the curves have been smoothed, there is the possibility of adding new curves to the selection that will also be smoothed.

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