The net of a 3D shape is what it looks like if it is opened out flat. 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 ...

Two-dimensional (2D) shapes are completely flat. They cannot be picked up. A polygon is a 2D shape with straight sides that meet at vertices. Polygons have names that show the number of sides they ...

Are you fond of drawing some random doodles? Have you ever imagined some magic tricks that would transform your boring 2D picture into a realistic 3D model? Well then, turning a 2D shape into a 3D ...

When you want to visually imply growth, steps, directions, output or even a process, you might choose an arrow shape. Arrows are one of the most commonly used shapes in PowerPoint, and fortunately ...

Three-dimensional printing has been used to create all sorts of things, from car parts and experimental rocket engines to entire houses. Now scientists at MIT have found a way to 3D print objects that ...