Object Details maker Ross, W. W. Description This is the ninth in a series of models illustrating the volume of solids designed by William Wallace Ross, a school superintendent and mathematics teacher ...

Object Details maker Berman, Martin Description This model resembles a triangular prism, with square pyramid replacing one of square sides. Its faces total six equilateral triangles and two squares.

Learn about properties of 3D shapes with this BBC Bitesize Maths article. For students between the ages of 11 and 14.