“…An early attempt for building a ship parametric model is due to Lackenby [12] in which hull variants are obtained by modifying the prismatic coefficient, the center of buoyancy and the extent and position of parallel mid-body of a parent hull. This method has been subsequently generalized towards improving the geometric coverage of the parametric model through the use of B-spline techniques; see, e.g., Harries and Nowacki [13], Kim [14], Abt and Harries [15], Harries [16] and Ping [17]. In previous works of ours [18,19], a Ship Parametric Model (SPM) has been developed, with the aid of CATIA [20] modeling environment, resulting in a multi-patch NURBS representation of a ship hull.…”