Heights: 9.8 - 19 - 20 - 30 - 32
The shapes shown here are indicative.
The above shapes can be made in different ways (see below).
Shaped perforators with ⌀ ext. 4.5 to 5.5 and above ⌀ 7.
For heights 19-20 the double cut (DT) is performed up to ⌀ ext. 6.