The GLB/OBJ file formats are for 3D scenes and models.

GLB's are the binary version of the glTF 2.0 file format and can be used in Microsoft Word, Microsoft PowerPoint, and virtual reality and augmented reality (VR/AR) programs.

OBJ's are often used in 3D design programs can can be used in the CoSpaces app.

In the Teachers Dashboard go to My 3D Files and click the download icon to download your 3D files:

In addition, Microsoft Windows 10 has a program installed by default, called 3D Viewer, which can display and manipulate GLB files. This program allows you to enable Mixed Reality mode, where your 3D models can immersed in the real world.