A Sierpinski triangle or Sierpinski triangle gasket is a fractal resulting from doing the following:
- Start with an equilateral triangle.
- Remove center part.
- Do the same for the three largest equilateral triangles left in this one.
If this is done, the first few steps will look like this:
If this is done an infinite number of times, its area will be 0.
They can also be 3D: