XTDrone/sitl_config/models/shelves_high2/model.config

<?xml version="1.0"?>

<model>
  <name>Shelves high 2</name>
  <version>1.0</version>
  <sdf version="1.5">model.sdf</sdf>

  <description>
    Item for warehouse environment.
  </description>

</model>