Difficulty in creating an organic shape with a Y branch

I’m trying to create a organic shape with a Y branch but I can’t seem to find a way to naturally blend the 3 different parts of the object together. I’ve uploaded the layers i used to loft the shape and the 3 parts of the object below. Would really appreciate any help on how to approach this problem. Thanks!!


Pls provide a 3dm file and a sketch of what you have in mind.

Maybe this is similar to what the author is looking for. This example has some bad areas the the bottom of the Y-branch junction, but could be still used for an inspiration.

Y-branch 2.3dm (3.4 MB)

Yeah, something like this would be what I’m looking for - just unsure of how to handle the arch
organic shape.3dm (776.2 KB)

You could probably best use SubD surfaces for this design.
If you are in a hurry, you can start from the input you already have with a few ShrinkWrap tricks:
Flatten the top and bottom rows of points in the top surface, and cap that and the bottom shapes

Shrinkwrap with a fair bit of offset (250)

Shrinkwrap the resulting shrinkwrap with -250 offset and split top and bottom of the resulting mesh

Quadremesh (500) > SubD

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