Petrireaction · diffusion

drag on canvas to seed · Gray–Scott

Console

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Chemistry

Preset coral

kill → feed ↑

Feed 0.0545

Kill 0.0620

Spatial drift off

Image chemistry

Drop an image here, or click to choose

Diffusion

Feed rate A 1.00

Diffuse B 0.50

Time step 1.00

Speed (steps/frame) 10

Faceting

Angularity 0.00

Corner order 4

Facet angle 0°

Corner sharpness 0.35

order 4 = right-angle turns · 6 = honeycomb junctions · reseed after changing

Material

Surface

Material preset

Relief height 1.60

Light angle 135°

Light height 45°

Gloss 0.45

Ambient 0.42

Crevice shadow 0.55

Subsurface glow 0.25

Color ramp

Palette

click ramp to add a stop · drag to move · double-click a stop to delete

Ramp repeats 1.0

Read channel

Contrast 1.00

Recursion

Mode

Depth 3

Scale ratio 2.00

Rotation / level 0°

Persistence 0.55

Drift X 0.00

Drift Y 0.00

Droste twist 0.50

octaves = self-similar detail at every scale · droste = infinite recursive zoom

Edges & lines

Edge mode

Levels 6

Edge softness 0.00

Line width 1.2

Line opacity 1.00

Ink outline 0.00

Outline threshold 0.06

Line color

softness 0 = razor edge · bands+flat surface gives a screen-print look

Symmetry

Kaleidoscope order off

Rotate 0°

Zoom 1.00×

Field

Resolution

Brush size 3.0%

Export scale 2×

precision: —