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I took a quick look at your part and it looks relatively easy. The first problem I see is in the pocketing you have only left .0027 which is pretty small for a finish pass. Especially when using a 1" end mill for roughing. You might consider stating with the 1" and stepping down to something closer to the inside radius of where the holes are. Next problem on the pocket would be the step-over, with it set at .625 it leaves a piece in the center to be cut on the final pass if you change this to .5 it eliminates the problem If you look at your part it is cutting off the rounded areas for the holes so they are misshaped. As far as that side goes it appears you are trying to cut the radius in the bottom this can be done in several ways. you can do it with a side mill operation using a corner radius end mill. The other method would be to surface mill it but may take a little longer. You will need to surface mill the areas outside radius though. If surface milling you will need to pick both the side and the curved bottom and set a top height so that the machining starts below the tabs for the holes as well as an end point. It will also help to pick the bottom surface which will help to blend everything together. If you can get an insert similar to the one I see in your program with the right radius on it it should work really well.