Right Split

By Srikar
def beside(s1, s2):
    s1 = s1|scale(x=0.5)|translate(x=-75)
    s2 = s2|scale(x=0.5)|translate(x=75)
    return s1+s2
def below(s1, s2):
    s1 = s1|scale(y=0.5)|translate(y=75)
    s2 = s2|scale(y=0.5)|translate(y=-75)
    return s1+s2
def grid(s1, s2, s3, s4):
    top = beside(s1, s2)
    bottom = beside(s3, s4)
    whole = below(top, bottom)
    return whole
def repeat4(shape):
    return grid(shape, shape, shape, shape)
def repeat16(shape):
    return repeat4(repeat4(shape))
def cycle(shape):
    return grid(shape|rotate(90), shape, shape|rotate(180), shape|rotate(270))
shape = circle()+ellipse()+circle(x=75, r=25)
blank = circle(r=0)
split1 = beside(shape, blank)
split2 = beside(shape, below(split1, split1))
split3 = beside(shape, below(split2, split2))
split4 = beside(shape, below(split3, split3))
s = below(split4, blank)
show(s)