.glb. Works with Unity 2021.3 and newer.
Add the glTFast package
In Unity: Window → Package Manager → + → Add package by name…, enter
com.unity.cloud.gltfast, and add it.Download the plugin
Grab
LightExporter-Unity.zip from the LightSDK releases page and unzip it.⌘⌥L), or right-click a selection in the Hierarchy → Export to Light. If objects are selected, only the selection exports - otherwise the whole scene does. Light SDK opens automatically with your model.
