#......#.. ##......##
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##........ ###....###
#..####### .#..##..##
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......#... . ,. ..#####..#
.####...## 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.) ##..##....
#...###### .......###
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