Rhino 7 & 8

Creates curves that duplicate surface, polysurface isoparametric curves, and mesh edges displayed in the wireframe view.

Creates planar curves, points, or hatches by intersecting a plane with the input objects.

Creates curves that duplicate surface isoparametric curves at specified locations on the surface.

Creates a curve that duplicates a polysurface face border.

Creates curves from the boundaries of the selected objects.

Creates curves from the selected surface, mesh or SubD edges.