Instances for the Two-Dimensional Cutting Stock Problem with Usable Leftovers

Full description of instances for the Two-Dimensional Cutting Stock Problem with Usable Leftovers (2D-CSPUL). 16 classes of instances were defined with 'S' = 2 types of standard plates and varying the number of types of leftovers in stock ('R' = 1 and 2). The number of types of items varied with 'I' = 3, 5, 8 and 10, and their dimensions were generated according to the dimensions of the plates and leftovers in stock. For each class, 10 instances were generated.