Find out more about symmetrical 2D shapes. What are 3D shapes? Learn about 3D shapes and their properties. Properties of 3D shapes Learn about faces, edges and vertices.

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 ...

Using 1/10th scale 3D-printed hula hooping robots and a lot of math, researchers have determined the ideal body shape for hula hooping. LIKE BOING BOING BUT NOT THE ADS? CLICK HERE TO GO AD-FREE! Hula ...