Figure 2: The fractal middle-third Cantor structure 𝑠 = 2 , where 𝐸 0 is the initiator step, { 𝐸 1 , 𝐸 2 , 𝐸 3 } are the other generated step of cantor structure, 𝐿 's are the lengths of the 𝐸 's steps, 's are the heights of 𝐸 's steps, and 𝐹 is the applied load.