Hello Tobii team,
I also have Tobii Eye X and I am having same issues as User:JD. I read one paper( Research article) which mentioned “The Tobii EyeX Engine provides a nine point calibration procedure in which the calibration points are positioned (see Fig. 1a) in the center of the screen (black circle), in the four corners (green circles), and at the four arms of a cross (red circles).” The figure is as this 
Was this implemented in previous version of Tobii Eye X ? Is it still available now to calibrate using the above method of the paper so that it would be accurate ?
Please give me some idea. I really need it to be perfect for my application.
Thank you