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A problem of relevant interest to some industrial processes is the one of allocating a specified number of two-dimensional regular or irregular generally different pieces on a stock of sheets of finite dimensions, the object being to minimize the amount of waste produced. The problem is present in industrial applications like shipbuilding, clothing manufacturing, or leather cutting. An approach is given where the solution is achieved with a heuristic search method typical of the artificial intelligence discipline. In this paper it is shown by the experimental results that this framework not only allows a simple formulation of the solution but represents an effective technique to obtain solutions competitive with the ones produced by hand.