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

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.

GCSE OCR 2-dimensional shapes - OCR Area of triangles 2-dimensional shapes are flat. The perimeter of a 2D shape is the total distance around the outside of the shape.