Medallion - butterfly.
Butterfly is a symbol of transformation, rebirth and beauty.
In medieval Europe, it was believed that witches could turn into butterflies to spy on people. In African cultures, butterflies are associated with witchcraft and are believed to be the spirits of witches.
BAS-RELIEF for casting. Can be used for casting as an independent element of jewelry - a pendant, belt buckle , or for home decor, if you print it in a larger size.
Please note that the model has two options with and without a hanging eye.
The model has a high resolution and you can enlarge it as you need. the original size of the model is 40mm.

Model geometry is mesh (polygonal),this is not a Nurbs geometry.
It is designed for printing and casting and technically cannot be converted to NURBS geometry.