1. Klein Bottle(A basic nonorientable, twodimensional, compact manifold without boundary)1(b).Klein Bottle (2) Interactive2(a).Projective PlaneAnother basic nonorientable, twodimensional, compact manifold without boundary)2(b).Projective Plane (2) Interactive3.Menger sponge InteractiveAn interesting topological space (and a nice 3D fractal)4."Space Station"Just a nice 3D fractal5. 2D fractal (interactive !)Sierpinski triangle (space) (2D, set in 3D)6. 4D Cubes (interactive !)A construction made of 4D cubes (part of a proof)7. Tangled Cube (interactive !)An implicitly defined surface.8. Revolving surfaces/solids can be found in the page for course 136.1709. Travel in Klein 
© S.Kalajdzievski
