> For the complete documentation index, see [llms.txt](https://inan.gitbook.io/rich-fx-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://inan.gitbook.io/rich-fx-documentation/effects/artistic-effects/pencil-sketch.md).

# Pencil Sketch

![Pencil Sketch](https://2065380603-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5fuxyrZmxqeHTavJYV%2F-M5mMfmS7AdK42dBFUjh%2F-M5mPk4M3H8dTyczepY8%2FBuild%20Screenshot%202020.04.25%20-%2015.46.35.05.png?alt=media\&token=05bb1878-df73-4b8f-ae31-b90d48c4391e)

This effect provides a pencil sketch look using black and white. It colors the detected edges and wraps strokes around them.

| Parameter | Description                                                               |
| --------- | ------------------------------------------------------------------------- |
| Steps     | Number of iterations that the effect takes. Less steps is more efficient. |
| Tolerance | Lower tolerance grabs more edges to sketch, higher less.                  |