![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Sierpinski_pyramid.png/640px-Sierpinski_pyramid.png&w=640&q=50)
Sierpinski triangle
fractal composed of triangles / From Wikipedia, the free encyclopedia
A Sierpinski triangle or Sierpinski triangle gasket is a fractal resulting from doing the following:[1]
- 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:
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/0/05/Sierpinski_triangle_evolution.svg/220px-Sierpinski_triangle_evolution.svg.png)
If this is done an infinite number of times, its area will be 0.
They can also be 3D: