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