Copy and duplicate objects
Copy and duplicate objects or parts of objects.
Copy geometry objects and layers

Copy
Duplicate objects.

CopyToLayer
Copy objects to a layer.

DupLayer
Duplicate (copy) a layer including all layer attributes and geometry.
Copy edges and borders

DupBorder
Create a curve or polyline that copies a surface, polysurface, or mesh border.

DupEdge
Create a curve that copies a surface edge.

DupFaceBorder
Creates a curve that copies a polysurface face border.

DupMeshEdge
Creates a polyline that duplicates the edge of a mesh.

DupMeshHoleBoundary
Create a polyline that duplicates the boundary of a mesh hole.
Copy layout objects

CopyLayout
Copy the active layout to a new layout.

CopyViewportToDetail
Copy or move a model viewport to a detail viewport.

CopyDetailToViewport
Copy a detail viewport to a model viewport.
Copy settings

CopyCPlaneSettingsToAll
Match all viewports' grid and snap settings to the specified viewport.

CopyCPlaneToAll
Match all viewports' construction planes to the specified viewport.

DupAnnotationStyle
Create a new annotation style by copying an existing style.