A method and system for manufacturing a custom designed container or package and an insert received in the container or package by selecting a size of the container or package using a size graphical user interface of a graphical user interface displayed on a display device. The custom foam insert can be designed using an insert shape graphical user interface displayed on the display device. The custom foam insert includes one or more cavities corresponding to respective one or more features of one or more objects to be retained in the container or package.