Quote Originally Posted by DWThomas View Post
...His major trick was that in starting the cut, you position the guide surface of the cutter body slightly away from the straightedge such that plunging the tip of the angled blade in snugs the guide surface right against the edge. If you put the cutter body directly against the straightedge and then push the blade in, it flexes and swerves outward as the cut starts, creating the curve. (The trick is to cut about 100 mats to learn what that distance needs to be!)...
That is what I use to do with the Dexter also -- and what led me to my method with the Logan I wrote about above.