If you follow the graphics technology for 3D configurators closely, you may have recently heard of the glTF file format.

glTF (graphics language Transmission Format) is the result of years of efforts by the Khronos Group to develop an open, royalty-free and interoperable format for exchanging 3D graphics.

Below is an example of this in glTF:

The development of glTF arose from the desire to unite behind a common graphic file format, similar to the standardization of JPEG for photos or MPEG for videos. In addition, the growth of technologies for delivering high-quality 3D graphics via browsers and mobiles devices such as WebGL and WebVR has further strenghened the case for a new common file format and as an open standard this means that any developer can write exporters and similar software for it.

Existing glTF packages:

  • Scene data, not just model data.
  • PBR materials.
  • Geometry.
  • Animation.
  • Skins.
  • Glsl shader.
  • Texture files.

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Because glTF is currently the most innovative file format in this field, suppliers of 3D software face the challenge of supporting this format in the future.

For some time now, Sketchfab, the marketplace for 3D assets, has also been supporting this file format. All you need to do is merge your glTF file with all its assets into a single zip file and drag and drop it into the browser window on sketchfab.com. Using this method, you can upload glTF files regardless of which 3D software package you used to create the file. By adding glTF, sketchfab now supports a total of 30 file formats.

In addition, the revised Unity exporter plugin will use the glTF format behind the scenes to transfer 3D files as efficiently and accurately as possible.

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