Lamé configuration
Author: Gábor P. Nagy

s = 4.55 (slider from -9.05 to 9.05, step 0.1)
R00 = (0.36, -0.12)
R01 = (2.8, -0.37333333333333185)
u0 = Line(R00, R01)
R10 = (-0.05333333333333335, -2.146666666666665)
v0 = Line(R00, R10)
R11 = (3.3333333333333344, -3.12)
v1 = Line(R01, R11)
u1 = Line(R10, R11)
T = Point(xAxis)
K: s * ((y - y(R00)) * (x(R01) - x(R00)) - (x - x(R00)) * (y(R01) - y(R00))) * ((y - y(R10)) * (x(R11) - x(R10)) - (x - x(R10)) * (y(R11) - y(R10))) + x(T) * ((y - y(R00)) * (x(R10) - x(R00)) - (x - x(R00)) * (y(R10) - y(R00))) * ((y - y(R01)) * (x(R11) - x(R01)) - (x - x(R01)) * (y(R11) - y(R01))) = 0
R02 = Point(u0)
R12 = Point(u1)
R20 = Point(v0)
R21 = Point(v1)
v2 = Line(R02, R12)
u2 = Line(R20, R21)
h: (y - y(R02)) * (x(R12) - x(R02)) - (x - x(R02)) * (y(R12) - y(R02)) + x(T) * ((y - y(R20)) * (x(R21) - x(R20)) - (x - x(R20)) * (y(R21) - y(R20))) = 0
M1, M2 = Intersect(K, h)
cubic1 = Locus(M1, T)
cubic2 = Locus(M2, T)
R22 = Intersect(v2, u2)