Flux.2 Breast Shape and Details

This is my very first attempt at a LoRA so I made a simple one.

Trained with ostris/ai-toolkit on a single NVIDIA RTX Pro 6000 Blackwell (96GB VRAM).

• Base model: FLUX.2-dev (black-forest-labs)

• Method: LoRA, rank 32, alpha 32

• Steps: 2000

• Learning rate: 1e-4 (AdamW 8bit)

• Batch size: 1

• Optimizer: adamw8bit

• Precision: bf16 with qfloat8 quantization

• Gradient checkpointing: enabled

• Timestep type: weighted

• Noise scheduler: flowmatch

• Dataset: 34 images at 512/768 resolution with text captions

• Text encoder: Mistral Small 3.1 24B (frozen, embeddings cached to disk)

• Trigger word: flx2bdt

• EMA: enabled, decay 0.99

• Caption dropout: 0.0