<?xml version="1.0" ?> <sdf version="1.5"> <model name="fire_hydrant"> <static>true</static> <link name="link"> <collision name="collision"> <geometry> <mesh> <uri>model://fire_hydrant/meshes/fire_hydrant.dae</uri> </mesh> </geometry> </collision> <visual name="visual"> <geometry> <mesh> <uri>model://fire_hydrant/meshes/fire_hydrant.dae</uri> </mesh> </geometry> </visual> </link> </model> </sdf>