The Sierpinski triangle is a fractal whose envelope is an equilateral triangle and which is composed of three half-sized Sierpinski triangles. See the illustration above.

See also:

• Archimedes & Rhombicuboctahedron  Archimedes "The Geometer"

• Experiencing Geometry Poem

• Top Ten Reasons to Enjoy Geometry

• Euler and his beautiful and extraordinary formula

• The Landscape of Geometry Terms

• Machu Picchu and Geometric Art

• Machu Picchu Map.

• The Lord of Sipan and Geometric Art

• Sierpinski Triangle and Machu Picchu with fractals.

• Nazca Lines Animation. Mystery on the Desert.

• The School of Athens Pythagoras, Euclid, Socrates, Plato, Aristotle and more together!