We are looking for a high quality calibration target (something beyond pdf printout pasted on a plate) like the 4x4 checkerboard shown in the pr2 calibration page: http://www.ros.org/wiki/pr2_calibration/Tutorials/Calibrating%20the%20PR2 Is it possible to purchase one directly from willow garage or a distributor, or any hint one how to go about making one ourselves? Thanks, Hang -- View this message in context: http://ros-users.122217.n3.nabble.com/Calibration-Plate-tp1830575p1830575.html Sent from the ROS-Users mailing list archive at Nabble.com.