Sierpinski tetrahedron, a 3D evolution of the fractal Sierpinski triangle. The image was created from using a "iterated function system", (IFS). See also:
Auf einen Boden projiziertes Sierpinski-Dreieck. A shadow of a Sierpinski triangle on the floor. English Sierpinskipyramid standing on its peak. Its fractal's
org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English German Sierpinski-Pyramide. Wikimedia username: PantheraLeo1359531 author name string: PantheraLeo1359531