is your project a visionOS project? I think its because Model3D struct is only available for visionOS according to Apple docs the solution that worked for me was using a RealityView with an Entity. Like this: RealityView { content in async let robot: Entity = Entity(named: "Robot-Drummer") if let robot = try? await robot { content.add(robot) } } update: { content in // } Hope it helps :D