the tricky part is deciding where to put your circle spirals! The x/y co-ords in the wiki link are just for the classical cornu spiral. What we want is a set of spiral transitions between control points.
Can't open your first link, that java thing is exactly what's being displayed in LAB's link, third link doesn't open in the adobe reader either.
Can't open your first link, that java thing is exactly what's being displayed in LAB's link, third link doesn't open in the adobe reader either.