Thingiverse - A design community for discovering, making, and sharing 3D printable things. All designs are encouraged to be licensed under a Creative Commons license, so anyone can use or alter the design.
National Institute of Health 3D Model Exchange - Provides models in formats that are readily compatible with 3D printers, and offers a unique set of tools to create and share 3D-printable models related to biomedical science. Access free designs by selecting "Public Domain" under License dropdown
The University of Central Oklahoma recognizes the university's main campus is located on the traditional lands of the Caddo and Wichita people. Visit the UCO Land Acknowledgement website to learn more.