How to blend / project meshes together?

Trying to close the gap between 2 meshes in an automated way. I know I could just do it pretty easily in zbrush but trying to make it non-destructive and automated for whenever i updated the meshes.

tried doing some tests with meshops project but it’s not really working how I expect it to no matter what settings i mess with. Also I do not want to retopologize the mesh, just want to project the verts together.

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a good example of what i’m trying to obtain. The person who did this did it with AABBTree but I have no clue about mesh scripting I also don’t need it to runtime, just need to make a static mesh.

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Thanks all!

Ok I actually know what I want to do that will work for me. I want to use lattice deformer. However there are some problems.

The triangle count is too high to rapidly iterate. So I need to be able to use a proxy mesh. I also need the lattice to not be destroyed and just always be around so I can apply the same deformation to my final updated mesh later in the project.

Sounds like this can only be done with geometry scripting?