.......^»^ ^»^.......
........^» »^........
.......^»^ ^»^.......
......^»^^ ^^»^......
.....^»^^% %^^»^.....
....^»^^%& . &%^^»^....
...^»^^%&# . #&%^^»^...
..^»^^%&## . ^. ##&%^^»^..
.^»^^%&### gull call. . . ^ ###&%^^»^.
..^»^^%&## »»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»» ##&%^^»^..
...^»^^%&# #&%^^»^...
....^»^^%& the seagull is a metaphysics trick; a &%^^»^....
.....^»^^% world-builder's shortcut, to define a %^^»^.....
......^»^^ section of reality and imply its size: ^^»^......
.......^»^ place a flock of birds at the edge and ^»^.......
........^» make their calls tesselate over the »^........
.......^»^ entire volume ^»^.......
......^»^^ ^^»^......
.....^»^^% a seagull can be defined by as little %^^»^.....
....^»^^%& as five vertices; six triangles. (i &%^^»^....
...^»^^%&# would recommend handling in swarms of #&%^^»^...
..^»^^%&## at least a dozen birds.) ##&%^^»^..
.^»^^%&### ###&%^^»^.
..^»^^%&## ##&%^^»^..
...^»^^%&# #&%^^»^...
....^»^^%& &%^^»^....
.....^»^^% %^^»^.....