This paper presents a method for an often encountered two-dimensional layout problem in the shipbuilding and manufacture industries. For a ordered set of irregular as well as rectangular pieces, the system produces rectangles called modules for the pieces at first, and then places these modules into given rectangular sheets of fixed dimensions such that the number of sheets used is minimized. The system also provides the user with an interaction procedure in order to make itself as flexible as possible. This heuristic method has been implemented on IBM PC/AT 486 and compatible computers and is supported by AutoCAD system.

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