why are all boxes not cubed-shaped?

The objects they contain have different shapes?

I don't understand what you maen by that. Is it a question or what?

Not all boxes are cubed-shaped because boxes can come in various shapes and sizes to accommodate the specific needs and contents they are intended to hold. The shape of a box is typically determined by its purpose and the items it is designed to store or transport.

To understand why all boxes are not cubed-shaped, it is helpful to consider a few factors:

1. Functionality: Different items require different shapes for optimal storage or transportation. For example, long and narrow rectangular boxes may be used for storing items like posters or rolled-up carpets, while flat and square boxes may be more suitable for shipping books or electronics.

2. Efficiency: Boxes are often designed to maximize space utilization and minimize wasted materials. By using shapes that closely fit the shape of the items being stored or transported, manufacturers can minimize empty space and reduce overall packaging volume, which can in turn reduce costs and environmental impact.

3. Nesting or stacking: Boxes that are not cubed-shaped may be designed to nest or stack efficiently. Nesting refers to boxes that can fit into one another when empty, thus minimizing storage space requirements. Stacking refers to boxes that can be stacked on top of each other safely and securely.

In conclusion, the shape of a box depends on its intended use, the items it will contain, and considerations of functionality, efficiency, nesting, and stacking. Boxes come in various shapes to meet the diverse needs of different industries and individuals.