I tried to use the “Wizard Shapes Program” to cut a D shaped hole through 1/8” plastic. But it refused to generate the G code by saying; the offsets can’t be > then tool diameter. This makes no sense because I had it set on contour which just plunging through and I had all the offsets set at zero. I know this program works because I had used it before to cut a hex. What am I doing wrong?

Fred