Heuristics and evolutionary algorithms are much better choice for complex problems. Because cutting stock problem is a subclass of NP-hard problems, it is very time consuming to find optimal solution for complex tasks but also for fairly simple tasks. This cut list calculator will help you with this issue in real time with couple of clicks.
In industry, 2D cutting stock problem is one of the most important tasks how to cut sheet material with maximal material yield and minimal waste. This online cut list optimizer is kind of cutting optimization software specialized for cutting rectangular material like wood, glass or sheet metal.