Koi Mermaids!
Stable Diffusion does not like to play nice with mermaids, but I did my damnedest to make this work. This was actually one of the first lora I ever made, but it was so unreliable on SD 1.5 that it just wasn't worth posting. Pony puts up with it much better, but still gets pissy sometimes.
Depending on what pose you're attempting, you may need to put "legs" in negatives, but as long as you've got "mermaid" in positives it's honestly not usually necessary. It's trained on a black/white/orange koi fish pattern, but sometimes gets fussy and ignores the black. If you want to nudge it to add the black back in without making random other stuff black, "calico pattern" in positives at about 0.8 strength works wonders. Throw "cat" in negatives if you do that, though.
Post your mermaids if you can~~ I've been working on this thing long enough 💀 Show me the fruits of my labourrrrr ROFL.
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FAQ
Comments (4)
For stability, it is better to add a tail for other lora characters, but adding a fishtail will result in fish appearing.
Yeah, unfortunately SD is terrible at understanding the nuances of language. It likes to pick out half sections of words and go "I understand that series of letters! Fish it is!". A lot of the time you can counter it with negatives, but it gets tricky in this case, because mermaid is also sort of a fish LMAO.
I honestly rarely use character lora, so I'm hardly the expert, but does increasing the weight of "mermaid" help at all?
Any chance for an Illustrious version eventually? One of my mermaid OCs (that is really supposed to have a koi tail) could really use it.
Oh yeah totally! I intend to update most of my models to support illustrious in the near future. This one in particular I'm very curious to see how it functions with illu, it'll probably be one of the next few I do.