KochCurve

KochCurve[n] gives the line segments representing the nth-step Koch curve.

KochCurve[n,{θ1,θ2,…}] takes a series of steps of unit length at successive relative angles θi. 

KochCurve[n,{{r1,θ1},{r2,θ2},…}] takes successive steps of lengths proportional to ri.

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