The Shadowveil Harpy is a 3D printable STL that I sculpted for the Kickstarter campaign Satzija's Tome of Hags - A Witchcraft Compendium
https://www.kickstarter.com/projects/quillstinyquests/tome-of-hags/description by Quill's Tiny Quests.
I used the reference artwork to make this model in Blender