Hi Guys:
Unfortunatley, its a "feature" of the library I use to offset the contour, it doesnt have rounding of sharp tangentl breaks, so in a very sharp tangent, as you can see if you use the diagnostics output, the point gets very far away from the original profile. Such is math. I will look for a solution internally when I get a bit further, till then increasing stock is the only way. In the end I just need to modify the algorithm some to compensate for it..
Art