This model was provided through WitmerLab at Ohio University as a 3D model, which was edited using modeling software to create a usable 3D printing file. Below is the link to the original file, feel free to share and use it.
WitmerLab at Ohio University
https://sketchfab.com/3d-models/scarlet-macaw-skull-mobile-ouvc-10633-0c327af8f828476c89cf4620ad4a4fe1
-------------------------------------------------------------------------------------------------------------------------------
Scarlet Macaw
Macaws are a group of New World parrots that are long-tailed and often colorful, in the tribe Arini.[1] They are popular in aviculture or as companion parrots, although there are conservation concerns about several species in the wild.
