Texture for 3D that is bound to a texture created on the [RenderingDevice]. This texture class allows you to use a 3D texture created directly on the [RenderingDevice] as a texture for materials, meshes, etc. [b]Note:[/b] [Texture3DRD] is intended for low-level usage with [RenderingDevice]. For most use cases, use [Texture3D] instead. https://godotengine.org/asset-library/asset/2764 The RID of the texture object created on the [RenderingDevice].