Droites parallèles

\mathcal{D_1}

\mathcal{D_2}

D = (-12.498643057945095, -1.560899290110001, 0.6087757034517232)
E = (3.4041717840997663, -2.0539524946248022, 0.42614299241620657)
F = (-12.367951808905662, 2.8030565655835815, 3.8146853042212108)
a = Plane(E, D, F)
f = Line(D, E)
A = PointIn(a)
g = Line(F, f)