Creo Reverse Engineering (Restyle) > Managing Surfaces in Restyle > About the Extrapolate User Interface
  
About the Extrapolate User Interface
The Extrapolate tab consists of commands and a tab. Click Restyle > Extend to open the Extrapolate tab.
Commands
Extend mode box—Sets the extend mode to Extrapolate or Stretch.
—Selects an object to modify.
—Selects an edge to move.
Tab
Extend mode
Extend mode box—Sets the extend mode to Extrapolate or Stretch.