#$%^&*AU2013205749B220170615.pdf#####AN AGRICULTURAL BALER WITH SHAPE SENSORS AND METHOD ABSTRACT OF THE DISCLOSURE A baler for agricultural material including a reciprocating plunger that compresses crop material in a channel into flakes which are stacked to provide a bale length of the desired size. The baler is towed from and powered by a steerable actor having an operator display The 5 channel receiving the plunger has right and left walls which support star wheels having points projecting into the chnnei for the flakes and baie, The relative novenent of the bae- from right to left is determined and indicated to the operator of the vehicle to steer right, left or straight to ensure that bales have thickness that is uniform across then width.