<?xml version="1.0"?> <robot xmlns:xacro="http://wiki.ros.org/xacro" name="ur3" > <!-- common stuff --> <xacro:include filename="$(find ur_description)/urdf/common.gazebo.xacro" /> <!-- ur3 --> <xacro:include filename="$(find ur_description)/urdf/ur3.urdf.xacro" /> <!-- arm --> <xacro:ur3_robot prefix="" joint_limited="true" shoulder_pan_lower_limit="${-pi}" shoulder_pan_upper_limit="${pi}" shoulder_lift_lower_limit="${-pi}" shoulder_lift_upper_limit="${pi}" elbow_joint_lower_limit="${-pi}" elbow_joint_upper_limit="${pi}" wrist_1_lower_limit="${-pi}" wrist_1_upper_limit="${pi}" wrist_2_lower_limit="${-pi}" wrist_2_upper_limit="${pi}" wrist_3_lower_limit="${-pi}" wrist_3_upper_limit="${pi}" /> <link name="world" /> <joint name="world_joint" type="fixed"> <parent link="world" /> <child link = "base_link" /> <origin xyz="0.0 0.0 0.0" rpy="0.0 0.0 0.0" /> </joint> </robot>