<?xml version="1.0" ?> <sdf version="1.5"> <model name="truss"> <link name="link"> <inertial> <mass>20.7307</mass> <inertia> <ixx>4.7978</ixx> <ixy>0.0</ixy> <ixz>0.0</ixz> <iyy>0.4699</iyy> <iyz>-0.002</iyz> <izz>4.7978</izz> </inertia> </inertial> <collision name="collision"> <geometry> <mesh> <uri>model://drc_practice_truss/meshes/truss.dae</uri> </mesh> </geometry> <surface> <bounce> <restitution_coefficient>0.0</restitution_coefficient> <threshold>100000</threshold> </bounce> <friction> <ode> <mu>10</mu> <mu2>10</mu2> </ode> </friction> </surface> </collision> <visual name="visual"> <geometry> <mesh> <uri>model://drc_practice_truss/meshes/truss.dae</uri> </mesh> </geometry> </visual> <!-- visual used for measuring mesh size -> <visual name="visual_box"> <transparency>0.5</transparency> <geometry> <box> <size>0.25 1.5 0.25</size> </box> </geometry> </visual> --> </link> </model> </sdf>