The current wave of generative AI animation often feels like a magic trick that only works once. You type in a prompt, a video appears, and if you don’t like the result — maybe the feet are all wonky, which is a regular issue with AI generations — your only real option is to try a different prompt. This “black box” approach is exactly what Cartwheel, a new 3D animation startup, is trying to dismantle.
Andrew Carr and Jonathan Jarvis, two veterans with roots at OpenAI and Google, respectively,…

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