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function setup() {

  createCanvas(1000, 800);

}

​

function draw() {

  background(0);

  fill(0,125,200,50);

  let x = width / 2;

  let y = height / 3;

  let diameter = height / 2;

  for (let i = 0; i < 100; i++) {

    ellipse(x,y,diameter,diameter);

    ellipse(diameter / -2, 0, diameter, diameter);

    ellipse(diameter / 2,0,diameter,diameter);

    diameter = diameter / 1.5;

    rotate(PI / 24.0);

  }

}