Batter slope – 12D Wiki

Interface

An interface string is where the design meets the natural terrain - it shows the extent of the design. Starting from a given base string (String interface), slope strings are created at user defined slopes for Cut and Fill. Where these slope lines intersect with the provided tin surface, interface points are generated. These [...]

Cut & Fill Tadpoles by definitions

This option is used to create Tadpoles (slope signature strings "12d Symbols") for areas in Cut and Fill. The created Symbols can be applied via the Apply MTF (Tadpoles Adv tab) panel or "Apply tadpoles definitions" as shown below. The Tadpoles styles can be defined to be different for areas (strings) in cut or fill. [...]