Computer Aided Design tools for naval archi-tecture design and construction have undergone significant development in the last thirty years. Not only have they improved dramatically in capability, they have become more affordable as the cost of computers has reduced and become accessible to the designers and builders of even the smallest vessels. There is now a significant difference between the software used by large shipyards and that used by workboat designers and builders. This paper describes these differences and details why the approach to Computer Aided Design and Manufacture (CAD/CAM) adopted by workboat designers and builders needs to be fundamentally different from the methods adopted by large shipyards.
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