<frame width="300" height="180" margin="32">
  <rectangle id="service" title="Service" width="180" height="100">
    <port id="service-in" side="left" title="in" />
    <port id="service-out" side="right" title="out" />
  </rectangle>
</frame>

<frame width="260" height="160" margin="32">
  <panel title="No Border" border="none" />
</frame>