You can call the command in any of the following ways:
Icon 
Ribbon 

3D Model > Special > Surfaces > Transition Surface Surfaces > Operations > Transition Surface 

Keyboard 
Textual Menu 
<3Y> 
Operations > Surfaces > Transition Surface 
Transition surface is as operation for creating surfaces with a given variant of generating profile mathematical formulation. The position of the profiles in space is determined by the supporting curve: a tangent line can be built in any point of the curve. It sets the normal of the plane which the generating profile belongs to. Depending on the transition curve variant and the set parameters, the generating profile can be a parabola, a hyperbola, an ellipse arc, a circumference arc, a circumference or a segment.
A transition surface enables users to create joining surfaces with a given profile and a given shape of the surface transition edges. In particular cases transition surfaces can have only one connecting edge and two free edges or can be closelooped.
A transition surface enables users to create complex 3D surfaces with a strict mathematical definition given by the user. Firstly it is helpful for the designers who work on aero and hydrodynamically complex parts.
Topics in this section: