How does the bend tool work? How does the bend tool (&#8679; ShiftW) work? I couldn't find any mention of it in the wiki or in the new documentation.

When I tried to use it, I failed:



It seems to use 3D cursor position, as well as the angle and distance from the mouse cursor. 

What do the Radius and Bend Angle do? How do they affect the result?

What is an example use-case of this tool in action?
The Bend Tool rotates around the 3D cursor and bends the selected parts of a mesh toward the mouse cursor position.

The tool is explained in this video.

Start position (white cross indicates position of mouse cursor)



End position and effect:



For predictable results use the bend tool in the orthographic modes.

Start position with 3D cursor at center:



Similar result:



Related:


Which tool allows bending a mesh?