constraintlayout_layer.xml

<androidx.constraintlayout.helper.widget.Layer
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:scaleX="20"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:constraint_referenced_ids="btn6, btn7"
        />