from turtle import *
tracer(0)
r = 17
for i in range(10):
    fd(15 * r)
    rt(60)
up()
for x in range(-10, 40):
    for y in range(-40, 5):
        goto(x * r, y * r)
        dot(3, 'blue')
goto(0, 0)
update()
exitonclick()