Block Fractals

Suppose the cubes in the first picture have side length 1, hence volume 1. Then for this shape we see V0 = 5*1
Then the cubes in the second picture have side length 1/2, hence volume (1/2)3 = 1/8. We see this shape has V1 = 52*(1/8)
The cubes in the third picture have side length 1/4 = (1/2)2, hence volume ((1/2)2)3 = (1/8)2. We see this shape has V2 = 53(1/8)2
In general, Vn = 5n+1(1/8)n = 5*(5/8)n

So the limiting shape has volume 0.

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