The recent update streamlined the Ayatan Treasures menu : r/Warframe
Ayatan Sculptures in Warframe: Where to Find, and Why They Are Needed
Steam Community :: Guide :: Ayatan treasure farming guide
Warframe - How to Get Ayatan Sculptures (Ayatan Treasures) Fast - YouTube
YSK: Ayatan sculptures don't all have the same value. Orta provides 57% more Endo per Amber Star compared to the most "expensive" sculpture: Anasa. : r/Warframe