These wings are high poly models of creature wings created in Zbrush.
The pack consists of various 10 creature wings.
These models available in my store here:
https://www.artstation.com/a/14557947
CGTrader
https://www.cgtrader.com/3d-models/character/fantasy-character/10-creature-wings
John Margiotta "BloodASmedium"PLUS
Gold for your Herculean effort in sculpting these wings.