size(300, 220); 
background(0);
stroke(255);
noFill();
smooth();
line(30, 40, 100, 80);
triangle(120, 40, 150, 80, 170, 50);
quad(200, 40, 250, 60, 270, 100, 180, 90);
rect(30, 130, 70, 40);
ellipse(150, 150, 60, 60);
arc(230, 150, 60, 60, HALF_PI, PI + HALF_PI + QUARTER_PI);