This method allows to cut in two (or more) a series of hexahedra using a series of edges propagation.
To cut an hexahedra in the Main Menu select Model -> Operation -> Cut Edge.
The dialogue box to make a uniform cut of an hexahedra is:
Uniform Cut
Arguments:
TUI command: Uniform Cut
The dialogue box to make a custom cut of an hexahedra is:
Custom Cut
Arguments:
TUI command: Custom Cut