Lofted Surface
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Ruled Surface
 Use Ruled Surface, rather than
Extend Surface to maintain the
correct taper.
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Extend Surface
 To facilitate Trim Surface.
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Trim Surface  , using Mutual
to remove material adjacent
to the horizontal ruled surface.Knit Surface  after trim.
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| Create a plane, parallel to Top
Plane. Sketch rectangle to create a
planar surface.
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Planar Surface
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| Trim Surface , using Standard
to trim below the planar surface. |
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| After trim, the planar surface is ready
as the basis for tooling split operation. |
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