I understand how you feel, Joe. I've managed to get a couple of decent and better knives .I've also struggled to get smooth cuts, even with practicing some daily, experimenting with casing, and the different blades. I think part of my problem is being tense. I watch the pros do it and they seem relaxed and confidant as they cut and they don't seem to give a rip if they get off the tracing line.
But this knife has some interesting characteristics. I've practiced circles and haven't had much luck getting a nice one cut. This knife, to me, acts like a pencil...in that it moves and cuts in any direction. I think I like that.