Impossible Images produced using the Escher Software:
Click on an image to see a larger, high quality image

waterfall waterfall2 waterfall3 waterfall4
waterfall1 3bar1 3bar2 3bar3
Cuboid1 Cuboid2 Cuboid3 Cuboid4
3bar_shoe apples1 apples2 chess1
chess2 stairs1 stairs2 3bar_rose
al rib_cube fred cube1
super1 super2 parallelism1 parallelism2
fold stairs3 four super3
cylinder1 cylinder2 cuboid5 cylinder