While searching for images for Anatomica (an anatomical engraving style LoRA), I came across a handful of images that reminded me of chalkboard illustrations from medical school. They didn’t fit with the style for Anatomica, but I decided to keep them and look for more to make a LoRA just for these chalkboard masterpieces.

Anatomica Chalk was trained in anatomical drawings, but the style easily transfers to any subject in the prompt. It's trained to be used at a strength of 1, but a bit less or more shouldn’t hurt, depending on what you want it to do. The main trigger is “anatomica-chalk” but it works best paired with “drawing” and “chalk” – for example, start your prompt with: “anatomica-chalk, a chalk drawing of…”