
Mandelbrot Set
A simple iteration creates a boundary with extraordinary detail.

A finite area is enclosed by a boundary that grows without limit.
Find the triangular bump on one edge, then find the same pattern on its smaller edges.
Walwal20
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Download imageA finite area is enclosed by a boundary that grows without limit.
Find the triangular bump on one edge, then find the same pattern on its smaller edges.
Replace the middle third of each straight segment with two sides of an outward equilateral triangle. Repeating the replacement multiplies the perimeter by 4/3 at each stage.