Scribble Engine your constants

Load a photo, then click the eye that carries the drawing
Preset Presets store every dial, the mark and the line source — not the anchors, which belong to the photo.
Falloff6.5%
Void floor0.030
Coverage3.0%
Loop scale2.2
Line weight0.85
Tone weight0.55
Value curve1.00
Contour line0.90
Follow structure0.80
Part size1.00
Fine detail0.70
Mark
Lines from
Anchors
Subject click parts in order: eye, other eye, brow, nose, mouth
A photo to draw from
Drawing not drawn yet
Against your corpus Not drawn yet
Small figure is your corpus mean, large is this drawing.