Controlling AI video ads with Blender 3D blockouts: ChatGPT + ComfyUI + MiniMax H3 workflow
Time-Ad-7720 · reddit · 2026-11-04
A creator shared a workflow for directing an AI-generated soda ad: build a simple 3D blockout with ChatGPT + Blender MCP to lock composition and camera movement per shot, generate cinematic scene references with GPT Image in ComfyUI, then pair each reference with its blockout clip in MiniMax H3's reference-to-video workflow.
The core idea: use the cheapest possible 3D blocking to nail the shot language first, then let the video model render it — useful for commercial video work where composition and motion must be controlled.
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