The best alternatives to 3D Chat are LivnList, VideoSelfie, and Shading Reference. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
This tool generates basic shapes in your browser so you can study and reference them for art. You can adjust the angle, lighting, colors, and more. There is even a cartoon shading (cel-shading) mode! Perfect for new artists, or people wanting to improve!