Save guides, add subjects and pick up where you left off with your BBC account. A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are ...

There are many types of nets for the different 3D shapes. A net is made from polygons that can be folded and joined to make a polyhedron. Here is the net of a triangular prism. Why not see how ...