PETRI

Organic type studio

Canvas

Preset

Widthpx

Heightpx

Dish shape

Edge inset

Quality

Smooth upscale Draw dish outline

Typography

Font

Load font

Size

Weight

Line height

Tracking

Align

Case

Margin X

Offset Y

Keep-out

Show text (keep-out stays active)

Text fill

Text mode

Reaction–Diffusion

Fungal Growth

Reaction–diffusion

Preset

Feed

Kill

Diffuse A

Diffuse B

Time step

Speed

Front accent

Seed from

Seed count

Seed size

Drag on the canvas to inoculate more seed points while it runs.

Colour

Palette

Background · new growth · spreading · mature · senescent

Bias

Contrast

Age span

Scale age to colony lifetime

Export

JPEG quality

Exports the canvas at its full pixel size, text composited on top.

Space = play/pause · R = restart · drag on canvas to inoculate