I know there are things you have to do when cutting large circles with a jig-saw, like making sure the pivot point (center) of the arm you use to cut the circle is at the mid-point of the jig-saw blade. But when cutting a circle in thicker stock (1-5/8 eastern white pine e.g.) how do you keep the jig-saw blade from "flaring" out and cutting a bevel instead of making a consistent perpendicular cut? I just let the flair happen and then sand to a perfect pencil line and use two different straight routers to square up the cut. This is a lot of work (and mess)! Any suggestions? (I have a decent new jig-saw with lots of adjustments, use sharp blades, don't force the work, etc....but I still have problems).
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circle cuts with a jig-saw (in thicker stock)