n-light" light="type: point; intensity: 1.57;
                                          distance: 5;"
                  position="0 1.5 0">
        </a-mixin>
        <a-mixin id="object-on-column" position="0 1.2 0"></a-mixin>

        <!-- Animation mixins. -->
        <a-mixin id="yoyo" animation__yoyo="dir: alternate; loop: true"></a-mixin>
        <a-mixin id="spin" animation__spin="property: object3D.rotation.y; to: 360; loop: true; easing: linear; dur: 10000"></a-mixin>
        <a-mixin id="spinX" mi