This ChArUCo calibration board is designed to get you the maximum amount of accuracy out of your vision system. Using a standard calibration process (with specifications of the board written on the board itself for convenience), improve your Limelight, PhotonVision, or custom AprilTag detection accuracy significantly in just a few minutes with this board. This Calibration board is printed using a dye sublimation process on 0.040” aluminum sheets with a matte finish.