Physically based rendering (PBR) material that can be applied to 3D objects, can use an ORM texture.
ORMMaterial3D's properties are inherited from [BaseMaterial3D]. Unlike [StandardMaterial3D], ORMMaterial3D uses a single texture for ambient occlusion, roughness and metallic maps, known as an ORM texture.
$DOCS_URL/tutorials/3d/standard_material_3d.html