A 3D design engine for creating anime should feature tools tailored to stylized, animation-centric workflows. It would include intuitive character modeling with support for anime-style features like cel-shading, vibrant textures, and customizable facial expressions. Scene-building tools would provide pre-made assets for environments like cities or natural landscapes, along with support for dynamic lighting and hand-drawn aesthetic effects. Animation capabilities should include keyframe editing, skeletal rigging, motion capture integration, and AI-assisted lip-syncing for dialogue. The engine would also offer real-time rendering optimized for anime visuals, utilizing cel-shading and flat-color shadowing to achieve a traditional 2D look. Advanced physics simulations for hair, clothing, and soft body dynamics enhance realism while preserving the stylized appearance. Collaboration tools, such as cloud-based editing and version control, ensure team efficiency, while export options support multiple formats and platforms, including game engines like Unity or Unreal. With AI-driven automation for scene generation and animation interpolation, this engine would empower creators to produce high-quality anime efficiently, whether for individual projects or professional studios.