Create curves from other objects
Use existing objects to create curves by using the objects as location references or by copying borders, edges, and outlines.
Draw a curve through points
![](../image/command_icons/curvethroughpolyline.png)
CurveThroughPolyline
Create a curve from polyline vertices.
![](../image/command_icons/curvethroughpt_rt.png)
CurveThroughPt
Fit a curve through point objects.
![](../image/command_icons/_no_toolbar_button.png)
CurveThroughSrfControlPt
Fit curves through surface control points.
Blend between two curves or surfaces
![](../image/command_icons/arcblend.png)
ArcBlend
Create an arc blend curve between two curves.
![](../image/command_icons/blend_blendcrv_rt.png)
Blend
Connect two curves maintaining continuity.
![](../image/command_icons/blendcrv.png)
BlendCrv
Connect two curves with continuity control.
![](../image/command_icons/chamfer.png)
Chamfer
Create a line segment between two curves and trims or extends the curves to meet it.
![](../image/command_icons/fillet.png)
Fillet
Add an arc between two curves and trims or extends the curves to the arc.
Duplicate surface edges
![](../image/command_icons/dupborder.png)
DupBorder
Create a curve or polyline that copies a surface, polysurface, or mesh border.
![](../image/command_icons/dupedge.png)
DupEdge
Create a curve that copies a surface edge.
![](../image/command_icons/dupfaceborder.png)
DupFaceBorder
Creates a curve that copies a polysurface face border.
![](../image/command_icons/dupmeshedge_rt.png)
DupMeshEdge
Creates a polyline that duplicates the edge of a mesh.
![](../image/command_icons/dupmeshholeboundary.png)
DupMeshHoleBoundary
Create a polyline that duplicates the boundary of a mesh hole.
Contour and section
![](../image/command_icons/contour.png)
Contour
Creates planar curves, points, or hatches by intersecting evenly spaced planes with the input objects.
![](../image/command_icons/csec.png)
CSec
Create cross-section curves through profile curves.
![](../image/command_icons/meshoutline.png)
MeshOutline
Create a polyline outline of mesh objects or surface render mesh.
![](../image/command_icons/_no_toolbar_button.png)
PointCloudContour
Create a series of planar curves by intersecting spaced planes with a point cloud.
![](../image/command_icons/pointcloudsection.png)
PointCloudSection
Create a planar curve by intersecting a plane with points or pointcloud objects.
![](../image/command_icons/section.png)
Section
Creates planar curves, points, or hatches by intersecting a plane with the input objects.
![](../image/command_icons/silhouette.png)
Silhouette
Create outline curves from a surface or polysurface.
Create curves from other curves
![](../image/command_icons/crv2view.png)
Crv2View
Create a curve by averaging two input curves that are planar in two different views.
![](../image/command_icons/offset.png)
Offset
Copy a curve parallel to the original.
![](../image/command_icons/offsetcrvonsrf.png)
OffsetCrvOnSrf
Copy a curve on a surface parallel to the original.
![](../image/command_icons/offsetnormal.png)
OffsetNormal
Copy a curve on a surface parallel to the original in the surface normal direction.
![](../image/command_icons/project.png)
Project
Project curves/points toward a construction plane to intersect a surface, polysurface, mesh, or SubD.
![](../image/command_icons/pull.png)
Pull
Moves curves and points toward the normal direction of a surface, mesh, polysurface, or SubD to find intersections.
![](../image/command_icons/shortpath.png)
ShortPath
Create the shortest possible curve (geodesic) between two points on a surface.
Create curves from surfaces
![](../image/command_icons/bounce.png)
Bounce
Shoot a ray at a collection of surfaces to create a polyline path.
![](../image/command_icons/createuvcrv.png)
CreateUVCrv
Project a surface boundary and trim curves onto the world xy plane.
![](../image/command_icons/intersect.png)
Intersect
Create point objects or curves at the intersections of curves and surfaces.
![](../image/command_icons/intersecttwosets.png)
IntersectTwoSets
Find the intersection of one set of objects with another set of objects.
![](../image/command_icons/make2d.png)
Make2D
Project geometry to the construction plane.