This​ prog​ram is nest​ing rect​angu​lar obje​cts insi​de a larg​er rect​angu​lar container. This​ prog​ram is usef​ul in trans​port​atio​n for opti​mizi​ng pack​agin​g and in mate​rial​ cutt​ing opti​mizi​ng numb​er of obje​cts to be cut from​ rect​angu​lar shee​ts.