Processing - imagem

Usando os conceitos aprendidos na aula, montei essa simples imagem, que representa a letra inicial do meu nome, já que não consegui extrapolar os conhecimentos necessários para fazer algo mais complexo. O código gerador é:
size(200, 200);
background(0, 0, 0);
rectMode(CENTER);
fill(160, 160, 160);
rect(80, 145, 60, 20);
fill(160, 160, 160);
rect(100, 100, 20, 70);
fill(160, 160, 160);
rect(100, 70, 100, 20);
rect (60, 125, 20, 20);
fill (70, 255, 200);
ellipse (20, 20, 20, 20);
ellipse (20, 40, 20, 20);
ellipse (20, 60, 20, 20);
ellipse (20, 80, 20, 20);
ellipse (20, 100, 20, 20);
ellipse (20, 120, 20, 20);
ellipse (20, 140, 20, 20);
ellipse (20, 160, 20, 20);
ellipse (20, 180, 20, 20);
ellipse (40, 20, 20, 20);
ellipse (60, 20, 20, 20);
ellipse (80, 20, 20, 20);
ellipse (100, 20, 20, 20);
ellipse (120, 20, 20, 20);
ellipse (140, 20, 20, 20);
ellipse (160, 20, 20, 20);
ellipse (180, 20, 20, 20);
ellipse (180, 180, 20, 20);
ellipse (180, 160, 20, 20);
ellipse (180, 140, 20, 20);
ellipse (180, 120, 20, 20);
ellipse (180, 100, 20, 20);
ellipse (180, 80, 20, 20);
ellipse (180, 60, 20, 20);
ellipse (180, 40, 20, 20);
ellipse (40, 180, 20, 20);
ellipse (60, 180, 20, 20);
ellipse (80, 180, 20, 20);
ellipse (100, 180, 20, 20);
ellipse (120, 180, 20, 20);
ellipse (140, 180, 20, 20);
ellipse (160, 180, 20, 20);
ellipse (180, 180, 20, 20);