The ExtrudeCrvTapered command creates a surface by tracing the path of a curve in a straight line tapering in or out at a specified draft angle.
Steps
Select a curve.
Specify a distance.
Command-line options
SetBasePoint: Specify a location that serves as the first point when picking two points that set the extrisopm distance.
Direction: Two points establish the direction angle.
Direction steps
1.Pick a base point.
2.Pick a second point that establishes the direction angle.
DraftAngle: Specify the draft angle for the taper. The draft angle depends on the construction plane orientation. When the surface is vertical/perpendicular to the construction plane, the draft angle is zero. When the surface is parallel to the construction plane, the draft angle is 90 degrees.
Solid: If the profile curve is closed and planar, both ends of the extruded object are filled with planar surfaces and joined to make a closed polysurface.
Corners: Specifies how corner continuity is handled.
Sharp: The corners of the tapered surfaces will extend to meet at sharp corners with position (G0) continuity.
Round: The corners of the tapered surfaces will be filled with filleted segments with tangent (G1) continuity.
Smooth: The corners of the tapered surfaces will be filled with blend segments with curvature (G2) continually.
DeleteInput: Delete (Yes) or keeps (No) the input objects.
FlipAngle: Toggles the draft angle direction.
SplitAtTangents
Yes: Tangent points on the input curve extrude as joined edges.
No: Tangent points on the input curve extrude as surface kinks.
For more information, please refer to the Rhino documentation.
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