<sdf version='1.6'>
  <world name='default'>
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      <ambient>0.4 0.4 0.4 1</ambient>
      <background>0.7 0.7 0.7 1</background>
      <shadows>1</shadows>
    </scene>
    <light name='sun' type='directional'>
      <cast_shadows>1</cast_shadows>
      <pose frame=''>0 0 10 0 -0 0</pose>
      <diffuse>0.8 0.8 0.8 1</diffuse>
      <specular>0.2 0.2 0.2 1</specular>
      <attenuation>
        <range>1000</range>
        <constant>0.9</constant>
        <linear>0.01</linear>
        <quadratic>0.001</quadratic>
      </attenuation>
      <direction>-0.5 0.1 -0.9</direction>
    </light>
    <model name='unit_cylinder10kg'>
      <link name='link'>
        <inertial>
          <mass>7.77544</mass>
          <inertia>
            <ixx>1.13392</ixx>
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          <pose frame=''>0 0 0 0 -0 0</pose>
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        <self_collide>1</self_collide>
        <enable_wind>0</enable_wind>
        <kinematic>1</kinematic>
        <pose frame=''>0 0 0 0 -0 0</pose>
        <gravity>1</gravity>
        <visual name='visual'>
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            <cylinder>
              <radius>0.13</radius>
              <length>1</length>
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            <script>
              <name>Gazebo/Gray</name>
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            <shader type='vertex'>
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          <cast_shadows>1</cast_shadows>
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        <visual name='ModelPreview_10::link::visual_1'>
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          <transparency>0</transparency>
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          <pose frame=''>0 0 0 0 -0 0</pose>
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                <ode>
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              <threshold>1e+06</threshold>
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              <bullet>
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                <kp>1e+13</kp>
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      <allow_auto_disable>1</allow_auto_disable>
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              <size>100 100</size>
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            <bounce/>
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              <size>100 100</size>
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              <uri>file://media/materials/scripts/gazebo.material</uri>
              <name>Gazebo/Grey</name>
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        </visual>
        <self_collide>0</self_collide>
        <enable_wind>0</enable_wind>
        <kinematic>0</kinematic>
      </link>
    </model>
    <physics name='default_physics' default='0' type='ode'>
      <real_time_update_rate>1000</real_time_update_rate>
      <max_step_size>0.001</max_step_size>
      <real_time_factor>1</real_time_factor>
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          <type>quick</type>
          <iters>150</iters>
          <precon_iters>0</precon_iters>
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          <use_dynamic_moi_rescaling>1</use_dynamic_moi_rescaling>
        </solver>
        <constraints>
          <cfm>1e-05</cfm>
          <erp>0.2</erp>
          <contact_max_correcting_vel>2000</contact_max_correcting_vel>
          <contact_surface_layer>0.01</contact_surface_layer>
        </constraints>
      </ode>
    </physics>
    <gravity>0 0 -9.8</gravity>
    <magnetic_field>6e-06 2.3e-05 -4.2e-05</magnetic_field>
    <atmosphere type='adiabatic'/>
    <audio>
      <device>default</device>
    </audio>
    <wind/>
    <spherical_coordinates>
      <surface_model>EARTH_WGS84</surface_model>
      <latitude_deg>0</latitude_deg>
      <longitude_deg>0</longitude_deg>
      <elevation>0</elevation>
      <heading_deg>0</heading_deg>
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          <pose frame=''>-0.00429 0 0.030734 0 -0 0</pose>
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            <ixx>0.00717896</ixx>
            <ixy>-1.22941e-05</ixy>
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            <iyy>0.00721804</iyy>
            <iyz>-5.01209e-06</iyz>
            <izz>0.00413858</izz>
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        </inertial>
        <collision name='base_footprint_fixed_joint_lump__base_link_collision'>
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          <geometry>
            <box>
              <size>0.14 0.14 0.143</size>
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              <ode/>
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              <ode/>
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                <ode/>
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            <bounce/>
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        <collision name='base_footprint_fixed_joint_lump__caster_back_link_collision_1'>
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            <box>
              <size>0.03 0.009 0.02</size>
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                <kp>1e+06</kp>
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                <min_depth>0.001</min_depth>
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            <friction>
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                <mu>0.1</mu>
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              <torsional>
                <ode/>
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            <bounce/>
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        <collision name='base_footprint_fixed_joint_lump__base_scan_collision_2'>
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              <radius>0.055</radius>
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              <name>Gazebo/DarkGrey</name>
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        <visual name='base_footprint_fixed_joint_lump__base_scan_visual_1'>
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              <uri>/home/dan/catkin_ws/src/turtlebot3/turtlebot3_description/meshes/sensors/lds.stl</uri>
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              <name>Gazebo/FlatBlack</name>
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        </visual>
        <velocity_decay/>
        <velocity_decay/>
        <velocity_decay/>
        <sensor name='imu' type='imu'>
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          <pose frame=''>-0.032 0 0.078 0 -0 0</pose>
          <imu/>
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        <gravity>1</gravity>
        <velocity_decay/>
        <sensor name='lds_lfcd_sensor' type='ray'>
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                <samples>360</samples>
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          <plugin name='gazebo_ros_lds_lfcd_controller' filename='libgazebo_ros_laser.so'>
            <topicName>scan</topicName>
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            <robotNamespace>/</robotNamespace>
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          <pose frame=''>-0.032 0 0.182 0 -0 0</pose>
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        <self_collide>0</self_collide>
        <enable_wind>0</enable_wind>
        <kinematic>0</kinematic>
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      <link name='wheel_left_link'>
        <pose frame=''>0 0.08 0.033 -1.57 0 0</pose>
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          <pose frame=''>0 0 0 0 -0 0</pose>
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            <ixx>1.11756e-05</ixx>
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        <collision name='wheel_left_link_collision'>
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                <mu>0.1</mu>
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        <visual name='wheel_left_link_visual'>
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            <script>
              <name>Gazebo/FlatBlack</name>
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      <joint name='wheel_left_joint' type='revolute'>
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        <parent>base_footprint</parent>
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          <limit>
            <lower>-1e+16</lower>
            <upper>1e+16</upper>
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      <link name='wheel_right_link'>
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          <pose frame=''>0 0 0 0 -0 0</pose>
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              <uri>/home/dan/catkin_ws/src/turtlebot3/turtlebot3_description/meshes/wheels/right_tire.stl</uri>
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              <name>Gazebo/FlatBlack</name>
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      <joint name='wheel_right_joint' type='revolute'>
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            <upper>1e+16</upper>
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          <wrench>0 0 -9.8 0 -0 0</wrench>
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      </model>
      <model name='unit_cylinder10kg_clone'>
        <pose frame=''>0 0.8 0 0 -0 0</pose>
        <scale>1 1 1</scale>
        <link name='link'>
          <pose frame=''>0 0.8 0 0 -0 0</pose>
          <velocity>0 0 0 0 -0 0</velocity>
          <acceleration>0 0 -1.26038 0 -0 0</acceleration>
          <wrench>0 0 -9.8 0 -0 0</wrench>
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      </model>
      <model name='unit_cylinder10kg_clone_0'>
        <pose frame=''>0 -0.7 0 0 -0 0</pose>
        <scale>1 1 1</scale>
        <link name='link'>
          <pose frame=''>0 -0.7 0.026103 0 -0 0</pose>
          <velocity>0 0 0 0 -0 0</velocity>
          <acceleration>0 0 -1.26038 0 -0 0</acceleration>
          <wrench>0 0 -9.8 0 -0 0</wrench>
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      </model>
      <light name='sun'>
        <pose frame=''>0 0 10 0 -0 0</pose>
      </light>
    </state>
    <gui fullscreen='0'>
      <camera name='user_camera'>
        <pose frame=''>0.68661 -0.175633 2.26538 0 1.27543 2.94111</pose>
        <view_controller>orbit</view_controller>
        <projection_type>perspective</projection_type>
      </camera>
    </gui>
    <model name='unit_cylinder10kg_clone'>
      <link name='link'>
        <inertial>
          <mass>7.77544</mass>
          <inertia>
            <ixx>1.13392</ixx>
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            <ixz>0</ixz>
            <iyy>1.13392</iyy>
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          <pose frame=''>0 0 0 0 -0 0</pose>
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        <self_collide>1</self_collide>
        <enable_wind>0</enable_wind>
        <kinematic>1</kinematic>
        <pose frame=''>0 0 0 0 -0 0</pose>
        <gravity>1</gravity>
        <visual name='visual'>
          <geometry>
            <cylinder>
              <radius>0.13</radius>
              <length>1</length>
            </cylinder>
          </geometry>
          <material>
            <script>
              <name>Gazebo/Gray</name>
              <uri>file://media/materials/scripts/gazebo.material</uri>
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            <shader type='vertex'>
              <normal_map>__default__</normal_map>
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            <specular>0.01 0.01 0.01 1</specular>
            <emissive>0 0 0 1</emissive>
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          <pose frame=''>0 0 0 0 -0 0</pose>
          <transparency>0</transparency>
          <cast_shadows>1</cast_shadows>
        </visual>
        <visual name='ModelPreview_10::link::visual_1'>
          <geometry>
            <cylinder>
              <radius>0.13</radius>
              <length>1</length>
            </cylinder>
          </geometry>
          <material>
            <script>
              <name>Gazebo/Gray</name>
              <uri>file://media/materials/scripts/gazebo.material</uri>
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            <shader type='vertex'>
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            <emissive>0 0 0 1</emissive>
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          <pose frame=''>0 0 0 0 -0 0</pose>
          <transparency>0</transparency>
          <cast_shadows>1</cast_shadows>
        </visual>
        <collision name='collision'>
          <laser_retro>0</laser_retro>
          <max_contacts>10</max_contacts>
          <pose frame=''>0 0 0 0 -0 0</pose>
          <geometry>
            <cylinder>
              <radius>0.13</radius>
              <length>1</length>
            </cylinder>
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          <surface>
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              <ode>
                <mu>1</mu>
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                <coefficient>1</coefficient>
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                <surface_radius>0</surface_radius>
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                  <slip>0</slip>
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              </torsional>
            </friction>
            <bounce>
              <restitution_coefficient>0</restitution_coefficient>
              <threshold>1e+06</threshold>
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            <contact>
              <collide_without_contact>0</collide_without_contact>
              <collide_without_contact_bitmask>1</collide_without_contact_bitmask>
              <collide_bitmask>1</collide_bitmask>
              <ode>
                <soft_cfm>0</soft_cfm>
                <soft_erp>0.2</soft_erp>
                <kp>1e+13</kp>
                <kd>1</kd>
                <max_vel>0.01</max_vel>
                <min_depth>0</min_depth>
              </ode>
              <bullet>
                <split_impulse>1</split_impulse>
                <split_impulse_penetration_threshold>-0.01</split_impulse_penetration_threshold>
                <soft_cfm>0</soft_cfm>
                <soft_erp>0.2</soft_erp>
                <kp>1e+13</kp>
                <kd>1</kd>
              </bullet>
            </contact>
          </surface>
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      <static>0</static>
      <allow_auto_disable>1</allow_auto_disable>
      <pose frame=''>-0.01955 0.742963 0 0 -0 0</pose>
    </model>
    <model name='unit_cylinder10kg_clone_0'>
      <link name='link'>
        <inertial>
          <mass>7.77544</mass>
          <inertia>
            <ixx>1.13392</ixx>
            <ixy>0</ixy>
            <ixz>0</ixz>
            <iyy>1.13392</iyy>
            <iyz>0</iyz>
            <izz>0.97193</izz>
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          <pose frame=''>0 0 0 0 -0 0</pose>
        </inertial>
        <self_collide>1</self_collide>
        <enable_wind>0</enable_wind>
        <kinematic>1</kinematic>
        <pose frame=''>0 0 0 0 -0 0</pose>
        <gravity>1</gravity>
        <visual name='visual'>
          <geometry>
            <cylinder>
              <radius>0.13</radius>
              <length>1</length>
            </cylinder>
          </geometry>
          <material>
            <script>
              <name>Gazebo/Gray</name>
              <uri>file://media/materials/scripts/gazebo.material</uri>
            </script>
            <shader type='vertex'>
              <normal_map>__default__</normal_map>
            </shader>
            <ambient>0.3 0.3 0.3 1</ambient>
            <diffuse>0.7 0.7 0.7 1</diffuse>
            <specular>0.01 0.01 0.01 1</specular>
            <emissive>0 0 0 1</emissive>
          </material>
          <pose frame=''>0 0 0 0 -0 0</pose>
          <transparency>0</transparency>
          <cast_shadows>1</cast_shadows>
        </visual>
        <visual name='ModelPreview_10::link::visual_1'>
          <geometry>
            <cylinder>
              <radius>0.13</radius>
              <length>1</length>
            </cylinder>
          </geometry>
          <material>
            <script>
              <name>Gazebo/Gray</name>
              <uri>file://media/materials/scripts/gazebo.material</uri>
            </script>
            <shader type='vertex'>
              <normal_map>__default__</normal_map>
            </shader>
            <ambient>0.3 0.3 0.3 1</ambient>
            <diffuse>0.7 0.7 0.7 1</diffuse>
            <specular>0.01 0.01 0.01 1</specular>
            <emissive>0 0 0 1</emissive>
          </material>
          <pose frame=''>0 0 0 0 -0 0</pose>
          <transparency>0</transparency>
          <cast_shadows>1</cast_shadows>
        </visual>
        <collision name='collision'>
          <laser_retro>0</laser_retro>
          <max_contacts>10</max_contacts>
          <pose frame=''>0 0 0 0 -0 0</pose>
          <geometry>
            <cylinder>
              <radius>0.13</radius>
              <length>1</length>
            </cylinder>
          </geometry>
          <surface>
            <friction>
              <ode>
                <mu>1</mu>
                <mu2>1</mu2>
                <fdir1>0 0 0</fdir1>
                <slip1>0</slip1>
                <slip2>0</slip2>
              </ode>
              <torsional>
                <coefficient>1</coefficient>
                <patch_radius>0</patch_radius>
                <surface_radius>0</surface_radius>
                <use_patch_radius>1</use_patch_radius>
                <ode>
                  <slip>0</slip>
                </ode>
              </torsional>
            </friction>
            <bounce>
              <restitution_coefficient>0</restitution_coefficient>
              <threshold>1e+06</threshold>
            </bounce>
            <contact>
              <collide_without_contact>0</collide_without_contact>
              <collide_without_contact_bitmask>1</collide_without_contact_bitmask>
              <collide_bitmask>1</collide_bitmask>
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                <soft_cfm>0</soft_cfm>
                <soft_erp>0.2</soft_erp>
                <kp>1e+13</kp>
                <kd>1</kd>
                <max_vel>0.01</max_vel>
                <min_depth>0</min_depth>
              </ode>
              <bullet>
                <split_impulse>1</split_impulse>
                <split_impulse_penetration_threshold>-0.01</split_impulse_penetration_threshold>
                <soft_cfm>0</soft_cfm>
                <soft_erp>0.2</soft_erp>
                <kp>1e+13</kp>
                <kd>1</kd>
              </bullet>
            </contact>
          </surface>
        </collision>
      </link>
      <static>0</static>
      <allow_auto_disable>1</allow_auto_disable>
      <pose frame=''>-0.012854 -0.545208 0 0 -0 0</pose>
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    <model name='unit_box_clone'>
      <pose frame=''>-0.002142 -0.348604 0.185339 0 -0 -1.58003</pose>
      <link name='link'>
        <inertial>
          <mass>1</mass>
          <inertia>
            <ixx>0.166667</ixx>
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        </inertial>
        <collision name='collision'>
          <geometry>
            <box>
              <size>0.197182 0.024952 0.370678</size>
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          </geometry>
          <max_contacts>10</max_contacts>
          <surface>
            <contact>
              <ode/>
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            <bounce/>
            <friction>
              <torsional>
                <ode/>
              </torsional>
              <ode/>
            </friction>
          </surface>
        </collision>
        <visual name='visual'>
          <geometry>
            <box>
              <size>0.197182 0.024952 0.370678</size>
            </box>
          </geometry>
          <material>
            <script>
              <name>Gazebo/Grey</name>
              <uri>file://media/materials/scripts/gazebo.material</uri>
            </script>
          </material>
        </visual>
        <self_collide>0</self_collide>
        <enable_wind>0</enable_wind>
        <kinematic>0</kinematic>
      </link>
    </model>
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</sdf>