Another interesting information about SDF modeling is that
the public alpha of ConjureSDF, the SDF modeling add-on for Blender,
has now been released. This add-on enables SDF modeling in Blender.

Here the " ConjureSDF " Tread at BlenderArtists
https://blenderartists.org/t/conjuresdf-smooth-non-destructive-booleans/1478671