Surfacing > Creating Advanced Surface Features > Creating Other Surfaces from Boundaries > Conic Surfaces > Example: Conic Surface
  
Example: Conic Surface
1. Boundaries
2. Control curve
This example shows creating a conic surface using the Shouldr Crv option.
Original curves:
Boundary curves selected:
Control curve selected, using the Shouldr Crv option:
Resulting conic surface: