This is a conversion of the Shuttle 3.1 Aesthetic model to NF4 Unet only 6.5GB (needs the T5_encoder, clip, an VAE)
https://huggingface.co/shuttleai/shuttle-3.1-aesthetic
This model get good quality images very quickly with just 4 steps (ideal for fixing details on the InvokeAI canvas)
It takes 18 seconds per image with RTX 3060 12GB
Thanks to the original author https://civitai.com/user/shuttleai