One of the fractals we saw in the previous chapter was the

One of the fractals we saw in the previous chapter was the Sierpinski triangle ， which is named after the Polish mathematician Wacław Sierpiński. It can be created by starting with one large， equilateral triangle， but it has appeared many centuries earlier in artwork， and then repeatedly cutting smaller triangles out of its center. Wacław Sierpiński was the first mathematician to think about the properties of this triangle， patterns and mosaics. ，。