① What is selected for PART? A solid model of a whole part
② What is selected for CUT_AREA? The surfaces of the part shown in the picture, just about 5mm both side of the corner.
③ Are you using a reference tool? If yes, what are the types and sizes of the cutting tool and reference tool? Yes, I am using reference tool, both the reference and the cutting tools are ball endmill. The reference tool is Φ1mm, and the cutting tool is Φ0.6mm.