Macdonald Polynomial Web page
Permutahedron for n=5
Permutahedron for n=4
Associahedra plane tilings

The octahedron

The octahedron was taken from the book Computations in algebraic geometry with Macaulay 2, edited by David Eisenbud, Daniel R. Grayson, Michael E. Stillman, and Bernd Sturmfels

Click on the following links for larger image
B&W jpeg eps pdf