Timer{
        id: reloadTimer
        interval: 1000*2
        running: true
        repeat: true
        property int test: 1
        onTriggered: {
            if(test === 1){
//                view3dLoader.sourceComponent = view3dComp
                view3dLoader.active = true
                test = 0
            }
            else{
//                view3dLoader.sourceComponent = undefined
                view3dLoader.active = false
                test = 1
            }
        }
    }

    Loader{
        id: view3dLoader
        anchors.fill: parent
        sourceComponent: view3dComp
    }

    Component{
        id: view3dComp
        View3D {
            anchors.fill: parent
            camera: camera
            ...
        }
    }