Portal:Mathematics/Featured picture/2008 06
{{Portal:Mathematics/box-header|Picture of the month|{{FULLPAGENAME}}}} {{Portal:Mathematics/Feature picture|img=Sierpinski pyramid.jpg|more=Sierpiński triangle|user=Solkoll|desc=The Sierpiński pyramid is a higher dimension analog of the Sierpiński triangle. It is a fractal formed by repeatedly shrinking a regular pyramid to one half its original height, putting together five copies of this pyramid with corners touching, and then repeating the process. The Sierpiński pyramid has infinite surface area but zero volume.|class={{{class}}}}}