Such models have carved wooden hulls which are fitted out in exacting detail to match the original. Masts, yardarms, sails, standing rigging, and sails are all in place. Construction materials run from rare woods, ivory, and rigging from materials so exotic as human hair. Such models require hundreds of thousands of man hours with all parts scratch built. They are complete as most of the standing riggings, masts, yardarms, and sails.
Construction materials are different common woods, cotton or nylon rigging, and acid free papers.
Models of this type are also scratch built. SIB's of this class are entirely scratch built but with most deck features included as painted or drawn rather than free standing. The standing rigging is major rigging in place and the sails have drawn or painted yardarms. Building materials are usually common woods, cotton or nylon rigging, and acid free paper. Such models are usually scratch built and often very beautiful works of art.