Orca's would do little against yachts of this size I'm afraid. Torpedoes on the other hand...
B0atsRcoolYo
joined 2 years ago
You could try increasing 'Infill/perimeters overlap'. Its helped me before. https://forum.prusa3d.com/forum/prusaslicer/gap-between-solid-infill-and-perimeters/
I guess regular explosives would also work.
https://en.wikipedia.org/wiki/Sinking_of_the_Rainbow_Warrior