Qwen Image Layer Decomp for Illustration v1 is a guided layer-separation workflow for turning a flat illustration into editable layers and masks. It routes a loaded image through ImageScaleToMaxDimension to a recommended working size (640 px for speed, 1024 px for detail), then drives a custom Qwen-based decomposition stage that predicts per-element mattes you can save as PNGs. A PrimitiveStringMultiline node provides an optional, high-level text prompt so you can nudge the model toward the objects you want isolated (for example: "character, foreground props, midground buildings, sky").

Technically, the core is implemented with two custom nodes (f754a936-daaf-4b6e-9658-41fdc54d301d and 1ea4fa01-a81b-4420-a03c-f60019e69a92). The first performs the Qwen image layer decomposition using diffusion-style sampling controls (the author’s baseline is 50 steps, CFG 4.0), trading runtime for mask quality. The second is used for selection/refinement of the predicted layers (cleaning edges or exporting specific passes). LoadImage and SaveImage handle I/O, while MarkdownNote contains on-canvas guidance and links. The result is a practical, prompt-guided layer extraction pipeline that’s ideal for compositing, recoloring, and 2.5D motion work.