Fiberglass is incredibly useful for prototyping and repairs. I watched a shipwright rebuild a bow by creating a mold from sheets of melamine. Then epoxy it to t

Fiberglass is incredibly useful for prototyping and repairs. I watched a shipwright rebuild a bow by creating a mold from sheets of melamine. Then epoxy it to the cut open hull. And this was an age old technique using little more than hand tools and common sense.