Curve From Objects >
The DupEdge command creates curves from the selected surface or mesh edges.
Select the edges of a surface or mesh object.
Use Ctrl + click to deselect a selected edge.
Place the results on the current layer.
Place the results on the same layer as the input curve.
Create curves from other objects
Rhinoceros 6 © 2010-2019 Robert McNeel & Associates. 12-Apr-2019