Use existing objects to create curves by using the objects as location references or by copying borders, edges, and outlines.
Create a curve from polyline vertices.
Fit a curve through point objects.
Fit curves through surface control points.
Create an arc blend curve between two curves.
Connect two curves maintaining continuity.
Connect two curves with continuity control.
Create a line segment between two curves and trims or extends the curves to meet it.
Add an arc between two curves and trims or extends the curves to the arc.
Create a curve or polyline that copies a surface, polysurface, or mesh border.
Create a curve that copies a surface edge.
Create a curve that copies a polysurface face border.
Creates a polyline that duplicates the edge of a mesh.
Create a polyline that duplicates the boundary of a mesh hole.
Create a spaced series of planar curves and points through objects.
Create cross-section curves through profile curves.
Create a polyline outline of mesh objects or surface render mesh.
Create a planar curve by intersecting a plane with a point cloud.
Create a planar curve or points from the intersection of a cutting plane through objects.
Create outline curves from a surface or polysurface.
Create a curve by averaging two input curves that are planar in two different views.
Copy a curve parallel to the original.
Copy a curve on a surface parallel to the original.
Copy a curve on a surface parallel to the original in the surface normal direction.
Project curves/points toward a construction plane to intersect a surface.
Pull curves/points in the surface normal direction to intersect a surface.
Create the shortest possible curve (geodesic) between two points on a surface.
Shoot a ray at a collection of surfaces to create a polyline path.
Project a surface boundary and trim curves onto the world x-y plane.
Create point objects or curves at the intersections of curves and surfaces.
Find the intersection of one set of objects with another set of objects.
Project geometry to the construction plane.
Draw lines and curves
Extract object sub-elements
Rhinoceros 5 © 2010-2015 Robert McNeel & Associates. 17-Sep-2015
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