Spiral

By Hardik Prajapati
def spiral(diff=10):
    r = 0
    shape = line(x1=0, y1=0, x2=diff, y2=0)
    while(r < 300):
        r += diff
        if ((r // diff) % 2 == 1):
            x = 0
            y = r//2
        else:
            x = diff
            y = -r//2
        shape += line(x1=x+r, y1=y*2, x2=x-r, y2=y*2)
        shape += line(x1=x+r, y1=0, x2=x+r, y2=y*2)
        shape += line(x1=x-r, y1=0, x2=x-r, y2=y*2)
    return shape

s1 = spiral() | rotate(45)

show(s1)