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🎯 What does this model do?

This LoRA fills green border areas around an image with contextually appropriate AI-generated content. Simply add a green border to any image, and the model will extend the scene naturally.

┌─────────────────────────────────────┐
│ ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ │ Green areas
│ ░░░┌───────────────────────┐░░░░░░░ │ get filled
│ ░░░│ │░░░░░░░ │ with matching
│ ░░░│ Original Image │░░░░░░░ │ content
│ ░░░│ │░░░░░░░ │
│ ░░░└───────────────────────┘░░░░░░░ │
│ ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ │
└─────────────────────────────────────┘

Perfect for extending photos, creating wider compositions, and generating seamless backgrounds.

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🖼️ Examples

Input (with green border)	Output (extended image)
👁 Image	👁 Image
👁 Image	👁 Image
👁 Image	👁 Image
👁 Image	👁 Image

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🚀 Quick Start

Prompt

Fill the green spaces according to the image

Green Border Requirements

• Use pure green: RGB(0, 255, 0) or #00FF00
• Border can be any thickness (5%-25% of image dimension works well)
• Each side can have different border widths

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💻 Usage

Try it Live on fal.ai

▶️ Open Playground

With fal.ai SDK

import fal_client

def on_queue_update(update):
 if isinstance(update, fal_client.InProgress):
 for log in update.logs:
 print(log["message"])

result = fal_client.subscribe(
 "fal-ai/flux-2/klein/4b/base/edit/lora",
 arguments={
 "prompt": "Fill the green spaces according to the image",
 "model_name": None,
 "loras": [{
 "path": "https://huggingface.co/fal/flux-2-klein-4B-outpaint-lora/resolve/main/flux-outpaint-lora.safetensors",
 "scale": 1.1
 }],
 "embeddings": [],
 "image_urls": ["https://your-image-with-green-border.png"]
 },
 with_logs=True,
 on_queue_update=on_queue_update,
)
print(result)

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📦 Model Files

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🎓 Training Details

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🎮 Use Cases

• Photo Extension: Expand cropped photos to wider compositions
• Background Generation: Create seamless backgrounds for subjects
• Aspect Ratio Conversion: Convert portrait to landscape or vice versa
• Creative Composition: Add environmental context to isolated subjects

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⚠️ Limitations

• Works best with pure green (#00FF00) borders
• Complex scenes may require multiple passes
• Very large border areas may produce less coherent results

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📄 License

Apache 2.0

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Base model

black-forest-labs/FLUX.2-klein-4B

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