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Lofting is the process of drawing the hull lines full size from the designer's scale drawings. The intersections of the contours of various horizontal and vertical sections are measured from an imaginary "base line" using an architect's scale. These junctions are then laid out, point by point, in their full size. Because it is difficult to take accurate dimensions from a small drawing, it is necessary to adjust these lines to assure that they are "fair". A listing of these points is called a table of offsets. It takes a lot of space to loft.