Curtain

void setup() {
  size(500, 800);
  background(#542437);

  for (int x=-10; x < width; x +=8) {
    drawStrull(x);
  }
}

void draw() {
}

void drawStrull(int _x) {
  float x = _x;
  float marge = 20;
  float marge_y = 10;
  fill(#C02942, 150 + random(50));
  stroke(#542437, 120);
  beginShape();
  curveVertex(x, 0);
  curveVertex(x + random(marge/2), 0);
  curveVertex(x + random(marge/2), 200+random(marge_y));
  curveVertex(x + random(marge/2), 400+random(marge_y));
  curveVertex(x + random(marge/2), height*.65);

  curveVertex(x + random(marge, 2*marge), height*.65);
  curveVertex(x + random(marge, 2*marge), 450+random(marge_y));
  curveVertex(x + random(marge, 2*marge), 150+random(marge_y));
  curveVertex(x + random(marge, 2*marge), 0);
  curveVertex(x + random(marge, 2*marge), 0);
  endShape(CLOSE);
}