3D CAD is the next category next to text, image, and video. Worlds seems like streaming video to me so not as distinct. 3D CAD is real-world ready. For all these categories, I think about portable memory. How can you bring your memories along with you to every tool and app? For 3D CAD, I think portable memory looks like what I’m doing with @objects . Sign in with OBJECTS and your design memories come along in your journey. https://github.com/OBJECTSHQ/protocol