B: (4, 5, -7)
A: (1, -1, 2)
u = Vector(B - A)
L = Line(A, u)
f = IntersectPath((x - 6) / 4 + (0 * z) = (y - 2) / 1, (x - 6) / 4 = (z - 1) / 2)
v = Vector((4, 1, 2))
C = Intersect(L, f)