What are 3D model loaders?

glTF (GL Transmission Format)

Where possible, we recommend using glTF (GL Transmission Format). Both .GLB and .GLTF versions of the format are well supported. Because glTF is focused on runtime asset delivery, it is compact to transmit and fast to load. Features include meshes, materials, textures, skins, skeletons, morph targets, animations, lights, and cameras.

Public-domain glTF files are available on sites like Sketchfab, or various tools include glTF export:

• Blender by the Blender Foundation

• Substance Painter by Allegorithmic

• Modo by Foundry

• Toolbag by Marmoset

• Houdini by SideFX

• Cinema 4D by MAXON

• COLLADA2GLTF by the Khronos Group

• FBX2GLTF by Facebook

• OBJ2GLTF by Analytical Graphics Inc

• …and many more

When glTF is not an option, popular formats such as FBX, OBJ, or COLLADA are also available and regularly maintained by many libraries.