2.5D Relief Carving Finish Pass not working

I purchased a seashell relief file and imported into vcarve desktop and used it to create a sign. Looks great in vcarve, but my problems is the finish pass. I did a rough pass with 1/4" endmill which seemed to work well, then I did a finish pass with a 1/8" ballnose. The finish pass did not cut any material. The machine moved as it should but the bit never touched the material. I reset the z and tried again, same results.

I am new at this and sure I did something wrong, but I am not sure what it is. Any help is greatly appreciated.


How did you do the toolchange?

Do you have a BitSetter?

I used the Shapeoko Bitzero V1 on a Shapeoko 3xxl machine

How did you manage the tool change?

Did you re-zero w/ the BitZero fully on the same surface to set Z for the new tool?

This is what I have so far…
Shell Rough Pass

Yes I did rezero on the same surface. It appeared as though the bit was following the same tool path as the rough cut

Was the BitZero fully on the surface?

Verify the Z?

Thanks, I will try that.

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