The Redoaction works exactly opposite of the undo action. So please read the help on undo
See also: Create objects | Headsup CommandLine | Rotate Precisely | Free rotation | Delete | Free Dragging | Delete a corner | Add a corner | Shift a corner | Undo | Redo | Precise move | Stretch Side | Extrude Side | Edge Type | Step Size | Advanced methods for setting attributes of an object | Searching Objects and Classes