{
  "1": {
    "_meta": {
      "title": "Load Flux2 Klein"
    },
    "class_type": "UNETLoader",
    "inputs": {
      "unet_name": "flux-2-klein-9b.safetensors",
      "weight_dtype": "default"
    }
  },
  "10": {
    "_meta": {
      "title": "Background prompt"
    },
    "class_type": "CLIPTextEncode",
    "inputs": {
      "clip": [
        "2",
        0
      ],
      "text": "sharp photorealistic background, same scene, evenly lit, uniform soft lighting matching the subject, no added shadows, no vignetting, crisp focus, fine natural texture, clean detail, no blur, no artifacts, high detail, 4k"
    }
  },
  "11": {
    "class_type": "ReferenceLatent",
    "inputs": {
      "conditioning": [
        "10",
        0
      ],
      "latent": [
        "6",
        0
      ]
    }
  },
  "12": {
    "_meta": {
      "title": "Negative (zeroed)"
    },
    "class_type": "ConditioningZeroOut",
    "inputs": {
      "conditioning": [
        "10",
        0
      ]
    }
  },
  "13": {
    "class_type": "CFGGuider",
    "inputs": {
      "cfg": 1.0,
      "model": [
        "1",
        0
      ],
      "negative": [
        "12",
        0
      ],
      "positive": [
        "11",
        0
      ]
    }
  },
  "14": {
    "class_type": "Flux2Scheduler",
    "inputs": {
      "height": [
        "5",
        2
      ],
      "steps": 8,
      "width": [
        "5",
        1
      ]
    }
  },
  "15": {
    "class_type": "KSamplerSelect",
    "inputs": {
      "sampler_name": "euler"
    }
  },
  "16": {
    "class_type": "RandomNoise",
    "inputs": {
      "noise_seed": 156680208700286
    }
  },
  "17": {
    "class_type": "SamplerCustomAdvanced",
    "inputs": {
      "guider": [
        "13",
        0
      ],
      "latent_image": [
        "9",
        0
      ],
      "noise": [
        "16",
        0
      ],
      "sampler": [
        "15",
        0
      ],
      "sigmas": [
        "24",
        1
      ]
    }
  },
  "18": {
    "class_type": "VAEDecode",
    "inputs": {
      "samples": [
        "17",
        0
      ],
      "vae": [
        "3",
        0
      ]
    }
  },
  "19": {
    "_meta": {
      "title": "Person keep mask (grow+feather)"
    },
    "class_type": "GrowMaskWithBlur",
    "inputs": {
      "blur_radius": 12.0,
      "decay_factor": 1.0,
      "expand": 6,
      "fill_holes": true,
      "flip_input": false,
      "incremental_expandrate": 0.0,
      "lerp_alpha": 1.0,
      "mask": [
        "7",
        1
      ],
      "tapered_corners": true
    }
  },
  "2": {
    "class_type": "CLIPLoader",
    "inputs": {
      "clip_name": "qwen_3_8b_fp8mixed.safetensors",
      "device": "default",
      "type": "flux2"
    }
  },
  "20": {
    "_meta": {
      "title": "Resize to original size"
    },
    "class_type": "ImageResizeKJ",
    "inputs": {
      "crop": "disabled",
      "divisible_by": 0,
      "get_image_size": [
        "4",
        0
      ],
      "height": 1024,
      "image": [
        "18",
        0
      ],
      "keep_proportion": false,
      "upscale_method": "lanczos",
      "width": 1024
    }
  },
  "21": {
    "_meta": {
      "title": "Original person over new background"
    },
    "class_type": "ImageCompositeMasked",
    "inputs": {
      "destination": [
        "20",
        0
      ],
      "mask": [
        "19",
        0
      ],
      "resize_source": false,
      "source": [
        "4",
        0
      ],
      "x": 0,
      "y": 0
    }
  },
  "22": {
    "_meta": {
      "title": "Save Image"
    },
    "class_type": "SaveImage",
    "inputs": {
      "filename_prefix": "flux2-bg-inpaint",
      "images": [
        "21",
        0
      ]
    }
  },
  "24": {
    "_meta": {
      "title": "partial denoise"
    },
    "class_type": "SplitSigmasDenoise",
    "inputs": {
      "denoise": 1.0,
      "sigmas": [
        "14",
        0
      ]
    }
  },
  "3": {
    "class_type": "VAELoader",
    "inputs": {
      "vae_name": "flux2-vae.safetensors"
    }
  },
  "4": {
    "_meta": {
      "title": "Main Image"
    },
    "class_type": "LoadImage",
    "inputs": {
      "image": "example.png"
    }
  },
  "5": {
    "_meta": {
      "title": "Fit to /16"
    },
    "class_type": "ImageResizeKJ",
    "inputs": {
      "crop": "disabled",
      "divisible_by": 16,
      "height": 0,
      "image": [
        "4",
        0
      ],
      "keep_proportion": false,
      "upscale_method": "lanczos",
      "width": 0
    }
  },
  "6": {
    "class_type": "VAEEncode",
    "inputs": {
      "pixels": [
        "5",
        0
      ],
      "vae": [
        "3",
        0
      ]
    }
  },
  "7": {
    "_meta": {
      "title": "Segment PERSON (SAM3)"
    },
    "class_type": "SAM3Segment",
    "inputs": {
      "background": "Alpha",
      "confidence_threshold": 0.5,
      "device": "Auto",
      "image": [
        "4",
        0
      ],
      "invert_output": false,
      "mask_blur": 0,
      "mask_offset": 0,
      "max_segments": 0,
      "output_mode": "Merged",
      "prompt": "person",
      "segment_pick": 0,
      "unload_model": false
    }
  },
  "8": {
    "_meta": {
      "title": "Background mask (inverted)"
    },
    "class_type": "GrowMaskWithBlur",
    "inputs": {
      "blur_radius": 8.0,
      "decay_factor": 1.0,
      "expand": -4,
      "fill_holes": true,
      "flip_input": false,
      "incremental_expandrate": 0.0,
      "lerp_alpha": 1.0,
      "mask": [
        "7",
        1
      ],
      "tapered_corners": true
    }
  },
  "9": {
    "class_type": "SetLatentNoiseMask",
    "inputs": {
      "mask": [
        "8",
        1
      ],
      "samples": [
        "6",
        0
      ]
    }
  }
}