By Topplok2 from CivitAI ( https://civitai.com/models/481016/breast-size-slider-pony )

"Any contributions to my Ko-fi is appreciated! https://ko-fi.com/topplok

Infinite Breast size control with this slider, can make more or less any size. Minimal picture impact from around -0.5 to 2. If you go lower or higher the image might change.

Works for SDXL as well.

Hope you enjoy!

As always any feedback and submitted images are welcome, thanks :)"