Canvas.setpenopacity(1);const t=new Turtle();
function n(v) {return Math.sin(v) * (v / 150);}
for (i=0; i<8; i++) {t.circle(-i * 5);}for (i=0; i<350; i++) {
var s = n(i + 0.25 * Math.sin(n(i * 0.5)));
t.pendown();t.goto(Math.sin(s) * 60, Math.cos(s) * 60);
t.penup();t.goto(Math.sin(s) * 90, Math.cos(s) * 90);
t.pendown();t.circle(0.5);t.goto(Math.sin(s) * 70, Math.cos(s) * 70);
t.circle(0.5);t.penup();t.goto(Math.sin(s) * 60, Math.cos(s) * 60);}