Different Types Of 3-D Shapes The figures which can be described by mentioning two dimensions called length and breadth, are called 2D-shapes or plane figures. Example: Triangle, quadrilateral, and other polygons are all 2-dimensional figures. 3D Shapes (Solids) The shapes like cube, cuboid, cylinder, pyramid, cone etc. which require three dimensions i.e.length, breadth and … [Read more...] about What are the Different Types Of 3-D Shapes?