: If you are using these for game development in Godot, you can set the mesh to "Save to File" in the import settings to treat it as a separate, distinct asset.
To make a model a "solid piece" in a (GL Transmission Format) file, you typically need to use a 3D modeling tool like Blender to join separate meshes into one and ensure the geometry is "manifold" (water-tight). 🛠️ Key Steps in Blender Join the Meshes : Select all the separate objects you want to combine. Press Ctrl + J to join them into a single mesh object. Make it a Single "Solid" (Manifold) : glb.db
If nothing lights up, your mesh is a perfectly solid, closed piece. : Go to File > Export > glTF 2.0 (.glb) . : If you are using these for game