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

Google's Objectron model can track 3D objects from 2D imagery, and it's lightweight enough to run on any modern smartphone.

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.

An Apple patent (number 20120268410) for generating 3D objects based on 2D objects has appeared at the U.S. Patent & Trademark Office. Could this involve a 3D printer — or, at least, 3D printer output ...

A research team led by North Carolina State University (NC State) is developing methods to create 2D materials capable of folding themselves into 3D objects when exposed to light.

Maximum Intensity Projection is a common tool to represent 3D biological imaging data in a 2D space, but it creates artefacts. Here the authors develop Smooth Manifold Extraction, an ImageJ/Fiji ...

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

This KS1 maths article explains how two dimensional shapes are completely flat with sides and corners.