The next breakthrough to take the AI world by storm might be 3D model generators. This week, OpenAI open sourced Point-E, a machine learning system that creates a 3D object given a text prompt.

Cody Wilson has a simple dream: To design the world’s first firearm that can be downloaded from the Internet and built from scratch using only a 3D printer--and then to share it with the world.

Stability AI, the startup behind the text-to-image AI model Stable Diffusion, thinks 3D model creation tools could be the next big thing in generative AI. At least, that’s the message it’s sending ...