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Spora · Mazes · Riso blue on paper

Screens that grow by themselves: reaction-diffusion, spirals, fingerprints. No dot ever lands in the same place twice.

Formerly Stochaster

Spora

Spora — Generative screens and organic halftone effect (reaction-diffusion)

Mazes · Riso blue on paper
01 What it is

A screen that behaves like an organism.

Spora grows a pattern — coral, maze, fingerprint — through reaction-diffusion, the same maths that paints a leopard’s spots. That pattern becomes the screen: in the mid-tones you read its lines, in the darks and lights it breaks into dots.

For portraits that look carved into matter, screen-printed posters, background textures that never repeat, riso prints that breathe.

85styles
11pattern regimes
4structure layers
∞seeds
02 What it can do
01

Fingerprints and mazes

Lines that wander and close in on themselves, tighter in shadow, gone in the light. One ink: the profile reads from afar, the maze reveals itself up close.

Mazes · Riso blue on paper
02

Spirals

Arms, wrap, direction: the spiral screen turns a photo into op art, Bridget Riley style.

Spirales · grain 1,2
Inks

Sepia · duotone

03

Inks

Duotone, CMYK, RGB. Gold ink on night paper, riso blue on cream, cyanotype: colour is part of the style.

04

Landscapes and textures

Meanders, archipelagos, rice fields: on a landscape the screen follows the planes and draws the relief like a map.

Cyanotype · meanders
02.1 How to get there

Videos recorded before the renaming: at the top of the screen, Spora is still called Stochaster. What’s new →

00:00:00
01

Blue Riso, a portrait

A preset, then by hand: the grain, a try that goes too big, a try in spirals, back again. Feeling your way is part of the app.

03 Settings
Grain
0,4 → 3
Pattern regime
Mazes · Coral · Fingerprints · Zebra · Turing…
Structure layers
lignes · traits · points serrés · points isolés
Spirals
bras · enroulement · sens · rayon
Preparation
0 → 100
Colour
N&B · bichromie · CMJN · RVB
More prints
Spora · Default settings

Spora · Default settings

Spora · Gold on night

Spora · Gold on night

04

Effects to make with Spora

All effects →
  1. 04Free risograph effect, with real separations
    Riso inks, misregistration, and real layers for the print shop.
  2. 06Free duotone effect
    Two inks, and the whole picture.
Next mode 02 Puncta →
Spora is in Mote, alongside the six other modes.Download for Windows