This KS2 maths article explains how to sort 2D and 3D shapes according to their properties using Carroll diagrams and Venn diagrams, ...

3D shapes are described by their faces, edges and vertices. The faces can be the same shape or different, and a 3D shape could have a curved surface as well as flat faces.

How is it different from the features of 3D shapes (solids)? Some examples of solids that incorporate 2D shapes are mentioned in this video by Sanchit — for example, a cube has six square faces.

3D printing can even mix materials that could not be compounded with traditional methods. According to David Leigh, the president of Harvest Technologies, a Texan firm that uses additive ...

In a blog post and papers, Facebook highlights a pair of AI models that can convert 2D objects into 3D shapes with high accuracy.

At what point will 3D printing move beyond novelty to industry? Will these machines change the way we manufacture goods, and subsequently change the global economy, too?