
right|thumb|An antique round box covered with pearl ray shagreen, ground down to produce a smooth, puzzle-like surface
right|thumb|An antique round box covered with pearl ray shagreen, ground down to produce a smooth, puzzle-like surface
Shagreen is a type of rawhide consisting of rough untanned skin, historically from a horse's or onager's back, or from shark or ray.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).