"sigma 2" - Processing

function setup() {

    createCanvas(400, 400);

}

​

function draw() {

    fill("red");

    rect(100,100,200,200);

    fill("black");

 /* quad(205,192,275,192,275,207,205,207);

    quad(190,207,205,207,205,127,190,127);

  quad(260,207,275,207,275,277,260,277);

  quad(190,207,205,207,205,277,190,277);

  quad(132,262,195,262,195,277,132,277);

  quad(132,207,205,207,205,192,132,192);

  quad(132,197,147,197,147,127,132,127);

  quad(195,142,275,142,275,127,195,127); */

}