FLUX ControlNet: The Ultimate Tool for Copyright-Free Image Generation
Discover AI-powered image regeneration with FLUX ControlNet. Learn how to preserve composition and structure while creating new visual effects, and explore the core models and key components behind this innovative workflow.
- Models
- FluxControlnet
- Key Nodes
- Controlnet
- VRAM
- Low VRAM (≤8GB)
- Reading Time
- 3 min
Workflow Overview
Discover AI-powered image regeneration with FLUX ControlNet. Learn how to preserve composition and structure while creating new visual effects, and explore the core models and key components behind this innovative workflow.
Content type: Workflow
Primary intent: Download
Required Models
- Flux
- Controlnet
Required Nodes
- Controlnet
Setup Notes
- Install the required models before opening the workflow template.
- Recommended hardware: Low VRAM (≤8GB).
Workflow Overview

This workflow uses FLUX ControlNet to redraw images, primarily aiming to regenerate style and content through AI technology while avoiding copyright issues. It preserves the original composition and structure while creating completely new visual effects.
Core Models
Base Algorithm_F.1: Main model "基础算法_F.1" for image generation
FLUX ControlNet: "FLUX.1-dev-ControlNet-Union-Pro-InstantX.safetensors" for structure control
T5XXL Text Encoder: "t5xxl_fp8_e4m3fn" for text processing
Meta-Llama-3.1-8B: Image captioning model "unsloth/Meta-Llama-3.1-8B-Instruct-bnb-4bit"
Key Components
ControlNetApplyAdvanced: Advanced ControlNet application
Strength 0.3, start step 0, end step 0.6
Uses depth control type
Joy_caption_two: Automatic image captioning
Uses Meta-Llama for detailed descriptions
Outputs "Descriptive" and "long" format
FluxGuidance: FLUX guidance node
Guidance strength 3.5
Optimizes generation quality
ImageScaleByAspectRatio V2: Image scaling
Uses lanczos algorithm
Maintains original aspect ratio
Image Comparer: Image comparison tool
Displays original and generated images side-by-side
Supports sliding comparison
Workflow Structure
Model Loading Group:
Loads UNET, ControlNet, CLIP and VAE models
Sets model precision to fp8_e4m3fn
Input Processing Group:
Loads input image (e.g. "image (8).png")
Adjusts image size (824×1024)
Caption Generation Group:
Automatically generates image descriptions
Includes English-Chinese translation
ControlNet Application Group:
Applies FLUX ControlNet
Sets control parameters
Generation Output Group:
Uses KSampler for generation (25 steps, euler sampler)
Decodes and outputs final image
Inputs and Outputs
Input Parameters:
Original image (recommended 1400×933)
Automatically generated description
Random seed (140685274328837)
Output Results:
Redrawn image
Comparison view of original and generated images
Notes
Requires at least 8GB VRAM
Includes VRAM cleaner node (PurgeVRAM)
Adjustable ControlNet strength (0.3-0.6)
Recommended to use highly descriptive original images
Output resolution automatically adapts to input aspect ratio