-----------------------The Sierpinski Triangle------------------- Who invented the Sierpinski Triangle? The Sierpinski triangle is one of the most well known fractals. It is an object which has zero area and infinite boundary. It was first discovered in 1915 by Waclaw Sierpinski [7] and has been thoroughly researched since. What is the Sierpinski Triangle? The Sierpiński triangle, also called the Sierpiński gasket or Sierpiński sieve, is a fractal attractive fixed set with the overall shape of an equilateral triangle, subdivided recursively into smaller equilateral triangles.