ComfyUI-OutpaintMask: open-source mask editor for controlled outpainting

Due-Committee-9591 · reddit · 2026-09-18

zaum open-sourced ComfyUI-OutpaintMask, a simple mask editor node for ComfyUI that lets users manually control outpaint regions instead of relying on auto-generated masks — useful for workflows needing precise control over where an image expands.

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