What I missed is that there is a CurveAtlas that contains the set of curves available to the material. So the material will only access the curves available in its Atlas, i had to add the new/duped curve to the atlas for it to become accessible.
What I missed is that there is a CurveAtlas that contains the set of curves available to the material. So the material will only access the curves available in its Atlas, i had to add the new/duped curve to the atlas for it to become accessible.