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examples:
koch snowflake
,
hilbert curve
,
spiral
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html:
bbcode:
clear make "a 0.1 repeat 7200 [ left 3 color [ 256 * (sin (30*:a)) 256 * (sin (40*:a)) 256 * (sin (50*:a)) ] penwidth :a forward :a make "a :a * 1.001 ]
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