https://en.wikipedia.org/wiki/Bin_packing_problem#First-fit_algorithm

https://mathoverflow.net/questions/201133/how-to-pack-3d-boxes-into-a-bigger-box

https://softwareengineering.stackexchange.com/questions/257977/3d-packing-algorithm-for-items-shipping

https://www.sciencedirect.com/science/article/pii/S228843001450019X

https://www.researchgate.net/publication/228974015_Optimizing_Three-Dimensional_Bin_Packing_Through_Simulation