Hi Peer,

re:
> Was instead thinking of it as picking 2 curves and then picking a point that the tangent arc must go through.

Well it is doing that (either 2 curves + point or 3 curves) but for each curve the point on the curve is part of what it is gathering.

The point on each curve will be used as the starting parameter for the solver, it will converge to the closest solution to those starting points.

- Michael