Interestingly, Princeton University engineers have created innovative 3D structures from a single piece of material by combining the art of paper cutting and folding. They have developed 3D structures ...

Find out more about symmetrical 2D shapes. What are 3D shapes? Learn about 3D shapes and their properties. Properties of 3D shapes Learn about faces, edges and vertices.

The net of a 3D shape is what it looks like if it is opened out flat. There are many types of nets for the different 3D shapes. A net is made from polygons that can be folded and joined ...