2013

Bulge Magnitude
Sets the roundness of the blend surface edge where it meets the originating
surface. The default is 0.5. Valid values are between 0 and 1.
See also:
Blend a Surface
SURFEXTEND
Lengthens a surface by a specified distance.
Access Methods
Button
Toolbar: Modeling tool set  Surfaces - Edit tool group (expanded) 
Surface Extend
Menu: Modify  Surface Editing  Extend
Summary
The extension surface can be merged (part of the original surface) or appended
(creating a second surface adjacent to the original surface).
S Commands | 1049