Finishing Organic Shapes

Hello I am trying to finish off the shape for this loft so that it finishes off organically. I am getting the sense it is not possible within shapr3d but I was wondering if someone had a solution. All I have anywhere is to keep creating infinite profiles for to loft into and then using the chamber tool. Any other options?

One way is to use loft.

If it is an end of the wing(winglet or tip) you can use a very small profile on the end for the last section.

Here is my fin with an older version S3D: