Boat Challenge: Infinitely extensible boat

This boat design as shown can be printed within one print volume of a MakerBot Replicator 2X printer. However, in order to make it more printable, I designed it so that it could be printed in sections. In addition, one could print as many parts as needed to fill any body of water, and this boat would hold as many coins as you want. My boat can be extended horizontally in every direction by connecting more base pieces in a puzzle fashion. It can also be extended downward by adding more barrel s