推荐几个吧：
https://sketchfab.com/

一打开就看到了一双nike的高清模型动图，很考究。

https://www.turbosquid.com/

醒目的搜索功能，分类很全3dmax、maya、c4d…，还有免费的

https://www.3dsky.org

3D模型和贴图、图形教程、壁纸等资源。俄罗斯3D素材网站

还有：

https://free3d.com/https://www.cadnav.com/3d-models/https://www.cgtrader.com/http://renderpeople.com/free-3https://3docean.net/http://grabcad.com/library 有超过390万个各行各业的免费模型http://threedscans.com/nasa3d.arc.nasa.gov/

https://www.beeple-crap.com/resourceshttps://hum3d.com/https://clara.io/libraryhttps://www.artec3d.com/reseller/europac3dhttp://sweethome3d.com/http://threedscans.com/