arc grid - OpenProcessing

mySketch
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void setup() {
  size(1000, 1000);
  noFill();
  background(255);
  stroke(10);
  strokeWeight(10);
}
​
void draw() {
  for (float x = 100; x < width-50; x += 100) {
    for (float y = 100; y < height-50; y += 100) {
      arc(x, y, 90, 90, radians(x * 0.8), radians(y * 0.8));
    }
  }
  for (float x = 150; x < width-50; x += 150) {
    for (float y = 150; y < height-50; y += 150) {
      arc(x, y, 120, 120, radians(180), radians(y * 0.8));
    }
  }
  for (float x = 200; x < width; x += 200) {
    for (float y = 200; y < height; y += 200) {
      arc(x, y, 150, 150, radians(x * 0.1), radians(y * 0.5));
    }
  }
  for (float x = 100; x < width-50; x += 100) {
    for (float y = 100; y < height-50; y += 100) {
      arc(x, y, 50, 50, radians(0), radians(360));
    }
  }
}