<?xml version="1.0"?> <robot xmlns:xacro="http://ros.org/wiki/xacro"> <xacro:macro name="ur_arm_gazebo" params="prefix"> <gazebo reference="${prefix}shoulder_link"> <selfCollide>true</selfCollide> </gazebo> <gazebo reference="${prefix}upper_arm_link"> <selfCollide>true</selfCollide> </gazebo> <gazebo reference="${prefix}forearm_link"> <selfCollide>true</selfCollide> </gazebo> <gazebo reference="${prefix}wrist_1_link"> <selfCollide>true</selfCollide> </gazebo> <gazebo reference="${prefix}wrist_3_link"> <selfCollide>true</selfCollide> </gazebo> <gazebo reference="${prefix}wrist_2_link"> <selfCollide>true</selfCollide> </gazebo> <gazebo reference="${prefix}ee_link"> <selfCollide>true</selfCollide> </gazebo> </xacro:macro> </robot>