Arcs in random position built a irregular grid.
Arc motion built a grid that shows chaos and order at the same time through the dark and bright corners at the top and bottom of the square in the diagonal spaces.
function setup() {
var canvas = createCanvas(500, 500);
canvas.parent('sketch');
background(255);
}
function draw() {
noFill();
for(var d = 150; d > 0; d -= 500){
ellipse(width/2 + random(1000), height/2 + random(1000), d + random(150, 500), d + random(150, 500));
}
}