This is a unique submarine-like design I made, unique name, which became USS FROST X.
35 block long.
15 block wide.
Floor number: 2.+ 1 uppermost is the commander's cabin
There is a lot of room.between them: CommanderCabin,Kitchen,StoargeRoom,FreeTimeRoom, CrewSleepingRoom,ObserverRoom,EngineRoom,DrivingCabin,
ControllRoom.
Material: QuartzBlock.
Outside, there is a rudder paddle at the back of the submarine.
And two ship screws.
(I built this 2 days ago.)

Working: Minecraft bedrock edition 1.19.50 100% working
(Mediafire link fixed) by: Zsolt2004