0.7  1.0  30.85 # translation for spine
4               # Section number
2. 0            # How far away from the reliefs
1               # -1 : Balustrade Tour; 1 : Main wall tour

15.35   0.0   4  # Outer rim spine
 0.0   -2.6   1
12.2    0.0   4
 0.0  -12.2   4
 2.6    0.0   1
 0.0  -15.35  4