Derivable butterfly necklace.
I made this necklace to match my butterfly earrings.
The maps are the same so if you have derived from my earrings, you can use the same map on this necklace.
And after deriving from this necklace, you can use the map you made for the earrings to make a set :)
UV map for the necklace:

UV map for the butterfly pendants: