A prism is a 3D shape which has a constant cross section - both ends of the solid are the same shape and anywhere you cut parallel to these ends will give you the same shape. For example ...

If a rectangular loaf of bread was cut into slices, the shape and size of each slice would be the same. The loaf is very close to being a prism.

The film explores different geometric shapes, focusing on cylinders, rectangular prisms, and pyramids. It describes the properties of each shape, such as the curved surface of a cylinder ...