How to describe 3D shapes 3D shapes are described by their faces, edges and vertices. The faces can be the same shape or different, and a 3D shape could have a curved surface as well as flat faces.

Slide 1 of 3, Five 2D shapes in different colours: a yellow square at the top left, a light yellow diamond in the centre, a green triangle at the top right, a blue pentagon at the bottom left, a ...

Computer scientists from the University of Bristol have devised a machine that generates floating 3D shapes that you can feel, but can't see. The possibilities that such a technology would enable ...