th rd nd th th th th st The complex drawing of points in the 1 , 2 , 3 4 , 5 , 6 , 7 and 8 angles are represented on corresponding Fig. 2.5 – 2.13. Figure 2.5 Figure 2.6 Figure 2.7 Figure 2.8 Figure 2.10 Figure 2.11 Figure 2.12 Figure 2.13 16