Click Back 
to display the model
in profile.
Click Filled
Surface 
on
the Surfaces toolbar.
Select an edge, right-click and choose Select
Open Loop for Patch Boundaries
in the PropertyManager.
Fill each side of the area enclosed between the base, the grip, and the exit nozzle using the Filled Surface tool. To manipulate the curvature of the surface, use a sketch point to constrain the curve. Constraint Curves allow you to add slope control to the patch.
Click Back to display the model
in profile.
Click Filled
Surface on
the Surfaces toolbar.
Select an edge, right-click and choose Select
Open Loop for Patch Boundaries
in the PropertyManager.
Select
Open Loop finds all the edges in a closed loop, creating the surface
fill.
Under Edge settings:
Clear Preview Mesh to display only the preview.
Select Tangent in Curvature Control.
Select Apply to all edges.
Click in Constraint
Curves 
, and select Pull
Point1.
Click OK 
.
Why did I do this?