.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.3mf
3MF model3D Manufacturing Format
A ZIP-based 3D printing format from the 3MF Consortium, founded in 2015 by Microsoft and others. Unlike STL it keeps units, colours, materials and several objects, and can carry print settings.
Ready-to-print projects with colours, multiple parts and printer settings.
Opens in PrusaSlicer, Bambu Studio, Cura, Windows 3D Builder
About 3MF files