Built for MiniMax H3: A Local Visual Prompt Composer Tool
Brad12d3 · reddit · 2026-08-07
To simplify the complex prompting syntax of the MiniMax H3 video generation model, a developer built a local HTML prompt composer. This tool allows users to focus on creative decisions while automatically handling formatting and structural mapping.
- Core Features: Supports character and environment references, multi-view setups, exact dialogue formatting, multi-shot timelines, and a detailed camera system.
- Camera System: Users can define the start and end frames independently (shot size, viewpoint, composition). The tool calculates the difference and recommends physically possible camera movements, preventing "impossible" shots.
- Optimization: The tool aims to reduce prompt redundancy, ensuring references are defined once to avoid confusing the model with repetitive instructions.
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