Hello again,
Reviewing the subassembly in detail, I leave you my observations / suggestions:
1. If you want the surface to be the lower limit of the shape, you must use the surface link and not the delta x on surface type point.
2. Try to use Auxiliary Points for control or reference points. After the decisions you can use them as visible point anchors.
3. Start with a check that all control points are below the surface and then build the optional conditions. It uses the logical operators AND / OR.
4. To create a point on the sloped links (E.g. point P39), use Auxiliary Links and Intersection Point. Then using the created point, add the links between the corresponding points. That way you won't have overlapping links.
5. Whenever possible, try to use the same links (link number) for creating a shape, whatever the decision.
Regards.
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