2011

Mode Controls whether the extruded object is a solid or a surface. Surfaces
are extruded as either NURBS surfaces or procedural surfaces, depending on
the SURFACEMODELINGMODE system variable.
Height of extrusion Extrudes objects along the positive Z axis of the object's
coordinate system if you enter a positive value. If you enter a negative value,
the objects are extruded along the negative Z axis. Objects do not have to be
parallel to the same plane. If all objects are on a common plane, the objects
are extruded in the direction of the normal of the plane.
By default, planar objects are extruded in the direction of the object’s normal.
Direction Specifies the length and direction of the extrusion with two specified
points. (The direction cannot be parallel to the plane of the sweep curve
created by the extrusion.)
■ Start point of direction. Specifies the first point in the direction vector.
■ End point of direction. Specifies the second point in the direction vector.
Path Specifies the extrusion path based on a selected object. The path is moved
to the centroid of the profile. Then the profile of the selected object is extruded
along the chosen path to create solids or surfaces.
NOTE Select face and edge subobjects by pressing Ctrl while you select them.
The path should not lie on the same plane as the object, nor should the path
have areas of high curvature.
The extrusion starts from the plane of the object and maintains its orientation
relative to the path.
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