TurboSquid turbosquid.com
超多高质量3D模型素材，支持多种格式，大部分要付费才能下载 turbosquid.com
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GrabCAD GrabCAD Making Additive Manufacturing at Scale Possible
提供数百万个三维模型，登录后就能免费下载 The GrabCAD platform drives additive manufacturing at scale through connected solutions, including GrabCAD Print, GrabCAD Shop & the GrabCAD SDKs.
Cults Cults・Download free 3D printer models・STL
有很多实物三维模型，登录后即可免费下载 World’s leading independent website for 3D printer files・Download the best objects for 3D printing・Share your designs on Cults3D the biggest DIY community.
Unity Asset Store The Best Assets for Game Making
是Unity游戏引擎官方推出的素材网站，提供了丰富多样的游戏素材，包括模型、材质、音效、动画等等，涵盖了各个游戏类型的素材。虽然大部分素材需要付费购买，但也有一些精选免费素材可以使用。 Discover the best assets for game making. Choose from our massive catalog of 2D, 3D models, SDKs, templates, and tools to speed up your game development process.