size(500, 100); background(200); beginShape(POINTS); vertex(30, 20); vertex(85, 20); vertex(85, 75); vertex(30, 75); endShape(CLOSE); beginShape(POINTS); vertex(130, 20); vertex(185, 20); vertex(185, 75); //vertex(130, 75); endShape(CLOSE); beginShape(POINTS); vertex(230, 20); vertex(285, 20); //vertex(285, 75); //vertex(230, 75); endShape(CLOSE); beginShape(POINTS); vertex(330, 20); //vertex(385, 20); //vertex(385, 75); //vertex(330, 75); endShape(CLOSE);