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hello everyone . i am a beginner for ros , and a have a TheCorpora company's qbo (the robot in image) , i want to use it for ros navigation ,cuz this robot is very old...and i can't get help in TheCorpora's web . so ,does anyone also use this robot , or doing navigation using it ? does anyone who have the qborobotdescription.urdf or .xacro? or something others, help me plz.....