OSG相关的数据资源网页
http://www.openscenegraph.org/index.php/download-section/data
下面列出与免费三维模型（部分模型免费，有的还是需要用钱买的；这个还是需要根据个人需要进行选择）相关的链接（即与“Websites that host commercial and free 3D model content”对应的链接）
LODBook's webpage with links to 4d models used Level of Detail research：
https://lodbook.com/models/
Grime's free OpenFlight databases
https://www.grime.net/downloads/simulations.htm
TurboSquid (3D models)
https://www.turbosquid.com/Search/3D-Models
Delta3D All 3D Models Architectures, Weapons, Vegetations, Skyboxes, Miscs, Vehicles, Characters, Environments 3D models and etc
https://sourceforge.net/projects/delta3d/files/delta3d-asset-library/
CgTrader
https://www.cgtrader.com/3d-community
