Click the thumbnails to enlarge.

Three 2-manifolds (Figure 4.4.1)

Cylinder from a rectangle (Figure 4.4.2)

Torus from a cylinder (Figure 4.4.3)

Torus from a rectangle (Figure 4.3.4)

A bouquet of circles (Figure 4.4.5)

Klein bottle from a rectangle (Figures 4.4.6 and 4.4.7)

A 3-manifold (Figure 4.4.8)

A CW-complex (Figure 4.4.9)

Another bouquet of circles (Figure 4.4.10)

Exercise 2 (Figure 4.4.11)

Exercise 3; Möbius band (Figures 4.4.12 and 4.4.13)

Exercise 5; configuration space (4.4.14)

Exercise 11 (Figure 4.4.15)