"Lost" coincidence relationship

3D Design Surface Modeling
1

Hello

I have a problem with loss of coincidence on a Surface Boundary function:

The coincidence still exists but the points are no longer and there are two points of coincidence relationship????

I tried a lot of combinations for the child curve but without result...

The parent curve is a 3D curve whose "master" point is locked on the plane of the child curve so I don't see what's wrong...

Thanks in advance,

Eric

2

you have to do the child loop with 3 dots on your spline

on a sketch perpendicular to your parent spline

The starting point

The parent spline snap point

the end point

then it's up to you to adjust your spline for the desired curvature

@+ ;-)

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