Facebook 3D Posts is a feature on the social networking website Facebook. It was first enabled on October 11, 2017 by introducing a new native 3D media type in Facebook News Feed. Initially the users could only post 3D objects from Oculus Medium and marker drawings from Spaces directly to Facebook as fully interactive 3D objects. The feature has become available for desktops and mobile phones that support the underlying WebGL API.
On February 20, 2018 Facebook added support for the industry-standard glTF 2.0 file format for Facebook 3D posts. This allowed artists and creators to share 3D content on Facebook from a variety of sources. To make 3D Posts glTF 2.0 compliant, the support for textures, lighting, and physically based rendering techniques was implemented. 3D posts also support unlit workflows for photogrammetry and stylized art.
There are four ways to get a 3D asset to appear in a Facebook Post:
GLB files (binary form of glTF) are required to be loaded in Facebook 3D posts. These files can be obtained by converting from other files formats such as FBX or non-binary glTF. GLB files can also be directly exported from a variety of 3D editors, such as Blender, Autodesk 3ds Max (using Verge3D exporter), Autodesk Maya, Modo, Microsoft Paint 3D, Substance Painter and others.
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