Thanks! I also learned how to move the start points around and rearrange them and that made a difference as well. A couple evenings and I'm feeling comfortable with the basics at least. Thought it might br quite a learning curve but if MACH is similar this won't be bad at all.
jeepsr4ever;132274 wroteIf your arc length is too long sheetcam will not be able to find a start point without ruining the E so it most likely defaulted and would put a toolpath on the E. Try a shorter arc lead in/out.