HAYI WANT TO KNOW WHAT's the easiest way to make a 3D layout for 3D boat model
2 Answers

As you get deeper in... these might help.
http://modelshipworldforum.com/resources/plans_and_research/DraftingShipPlansInCADwayne.pdf
http://modelshipworldforum.com/resources/plans_and_research/InterpretingLineDrawings.pdf
Good luck.