Learn about 3D shapes and their properties. Properties of 3D shapes Learn about faces, edges and vertices. What is volume? Find out how the volume of a 3D shape can be calculated by counting cubes.

From mathematical cookie cutters to wormholes, we pick favourite 3D-printable objects. Also, download an exclusive New Scientist Christmas tree ornament – a ...

One of my first discoveries about 3D printing was the large number of mostly-free objects people have designed and made available for you to simply download and print. You don't have to have an iota ...