size(300,300);
  background(0);
  stroke(255,50);
  noFill();
  smooth();

for (float a = random(33); a < 300; a += random(53)) {
  for (float b = random(267,300); b > 1; b -= random(53)) {
    bezier(a, 300-b, 50, 50, 250, 250, 300-a, b);
   }
}