The schematics are used in Between a Rock..., along with the other schematics, to find out how to modify the cannon. It must be adjusted over the Base schematics. It is given to the player by Khorvak, a dwarven engineer.
See also
- Base schematics
- Schematics (Dwarf Engineer)
- Schematic (Dondakan)
- Schematic (complete)