Free ComfyUI workflow generates transparent alpha-channel videos with MiniMax-H3
solomars3 · reddit · 2026-10-25
A Reddit user shared a free ComfyUI workflow tutorial for generating transparent videos with MiniMax-H3: a single custom node outputs video with an alpha channel directly — no green screen or keying post-processing needed. The accompanying video shows a character with explosion effects rendered on a transparent background. A ready-to-use pipeline for creators who need compositing-ready assets.
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