.3ds
3DS model3D Studio
The scene format of Autodesk 3D Studio for DOS, from 1990. It stores meshes, materials, lights and cameras, but each mesh is limited to 65,536 vertices.
Older 3D asset libraries and models shared before modern formats arrived.
Opens in Blender, 3ds Max, Cinema 4D, MeshLab
About 3DS files.usdz
USDZ model
A single-file, uncompressed ZIP package of Pixar’s Universal Scene Description, introduced by Apple and Pixar in 2018. It bundles a scene with its textures for AR on iPhone and iPad.
Augmented reality on Apple devices and 3D product views on websites.
Opens in Quick Look on iPhone, iPad and Mac, Reality Composer, Blender
About USDZ files