Thanks for helping, I tried and it didnt help..Heres an example of what Im trying to say this pic is when I dont zoom in so it shows my curve lines is in tact to the image plane. https://s221.photobucket.com/albums/d...t=P1020502.jpg On this one, when I try to zoom in all suddenly the curves line move away up y-axis from the image plane. https://s221.photobucket.com/albums/d...t=P1020501.jpg So what is the problem and how do I set this up?