A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

3D shapes can be made from 2D shapes called nets. Watch the video to learn how 3D shapes, such as a cube, can be created from nets, an arrangement of 2D shapes. Let's talk about nets. More ...

An interactive 3D film about a theory of the construction of the Great Pyramid of Khufu in Egypt, first presented to the public in a 3D theatre in Paris, has now migrated on to the home desktop. To ...

April 12, 2007 Dassault Systèmes’ in conjunction with researcher Jean-Pierre Houdin, have used cutting edge 3D technology to solve a 4500 year old riddle – how the Great Pyramid of Giza was ...