Many ancient ships, such as galleys like the trireme, were constructed using the mortise joint, which held planks together edge to edge, whereas clinker-built ships feature planks overlayed and then riveted together.
Traditionally built hulls were constructed of horizontal wooden planks laid in either clinker (overlapped) or carvel (butted together and smooth) formation. Nowadays, hulls are more likely to be constructed of glassfibre or metal.
you need 5 wooden planks. fill the bottom row with planks. then, put 2 planks (the last 2) on the sides in the middle row. You'll need five wooden planks. Recipe: O O OOO Legend O = Wooden Planks To… Full Answer