After testing, I can consider this LoRa a failure, The dress is not perfect.
Prompts : 1girl, flowery dress, flowery garden
For the dress: (detailed outfit:1.4), (intricate fabric:1.4), (persian style flowery dress:1.4), (long sleeves), (large sleeves) or (puffy sleeves)
Prompt that may be useful for styling with some models: (painting style), (persian inspiration)
Negative prompts : cat
Strength: 0.7 -> 1
