Learn about and revise different 2-dimensional shapes and their properties with this BBC Bitesize GCSE Maths Edexcel study guide.

Learn about the surface area and volume of prisms with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

While each individual layer of infill looks like a series of triangles and irregular hexagons, when assembled into a printed 3D object, this infill forms a true 3D structure.