Flow Along Surface

Hello everybody. I’m trying to project some gems onto the surface of a ring, but when I use the ‘flowalongsurface’ command, R7 understands that the ring is separate and projects onto only half of the surface. Is there another way to project objects onto a curved surface like this?

building a single target surface will do the trick - do not use a (face of a) polysurface.
us a proper base / reference surface for the objects that should flow along.

read the help and check some tutorials to understand the command with all options and fine-tuning.

guessing from the screenshots:
build a sweep2
you can create the needed cross / shape curves with
_extractIsoCrv or _dupEdge
_join
_rebuild (optional)
make sure the seam of the surface is at the lower / thinner side of the ring.

shorten the surface with
_split IsoCurve shrink = true
as a base surface for the objects to flow
_plane
or
_Boundinbox _explode (delete 5 of the 6 surface) (you might want to rotate or flip this surface for a correct UVN setting)

post a .3dm file for further help.

kind regards -tom