QUIC/inet/examples/wireless/obstacle/turtle.xml

<movement id="1">
     <set speed="1" x="12" y="13"/>
     <repeat>
         <forward d="18"/>
         <turn angle="180"/>
         <forward d="18"/>
         <turn angle="-90"/>
         <forward d="6"/>
         <turn angle="180"/>
         <forward d="6"/>
         <turn angle="90"/>
     </repeat>
</movement>