Lofted Surface  |

|
Ruled Surface 
Use Ruled Surface, rather than
Extend Surface to maintain the
correct taper. |

|
Extend Surface 
To facilitate Trim Surface. |

|
Trim Surface ,
using Mutual
to remove material adjacent
to the horizontal ruled surface.
Knit Surface
after trim. |

|
Create a plane, parallel to Top
Plane.
Sketch rectangle to create a
planar surface. |

|
Planar Surface  |

|
Trim Surface ,
using Standard
to trim below the planar surface. |

|
After trim, the planar surface is ready
as the basis for tooling split operation. |

|