Charcoal sketch

https://en.wikipedia.org/wiki/Charcoal_(art)

Basic settings,

Steps: 8-12,

Sampler: LCM,

Schedule type: Automatic,

CFG scale: 1.75-2.5

Clip skip: 2

Model: UnstableInkDreamXL

freeu_enabled: True, freeu_b1: 1.3, freeu_b2: 1.4, freeu_s1: 0.9, freeu_s2: 0.2,

sag_enabled: True, sag_scale: 0.5, sag_blur_sigma: 2