As shown in Figure 2, the shape of the Tilt Menu is similar
to that of a pie menu, consisting of several rounded, fan-
shaped menu items [7]. However, unlike the pie menu, an
item is not selected by the tap action of pen, but rather
selected by tilting the pen as soon as the Tilt Cursor
controlled by the pen, hits the edge of an item. The Tilt
Cursor is a kind of cursor that dynamically reshapes itself to
providing the 3D orientation cue of a pen