https://docs.godotengine.org/en/stable/tutorials/assets_pipeline/exporting_3d_scenes.html
Exporting 3D scenes — Godot Engine (stable) documentation in English
Overview: In Godot, it is possible to export 3D scenes as a glTF 2.0 file. You can export as a glTF binary (.glb file) or glTF embedded with textures (...
exporting 3d scenesgodot enginestabledocumentationenglish