notes.husk.org/likes images.

Nested for loops.

void setup() {
 size(500, 300);
 frameRate(10);
}

void draw() {
 background(255);
 for ( int i = 40; i <= 460; i = i + 20) {
   for ( int j = 40; j <= 260; j = j + 20) {
     strokeWeight(random(5));
     //stroke(random(255),random(255),random(255));

     ellipse (i, j, 10, 10);
   }
 }
 saveFrame(“####.png”);
}