3d STL didn't carve to proper depth - how to fix and then skip steps in gcode

I am working on a 4-panel carve - I did a small test of this exact panel just a few days ago and it worked flawlessly.
Today, it didn’t carve as deep as it should have on the roughing pass (.78/20mm) before asking for the finishing bit.
I’ve triple checked my file and can’t find why it isn’t working. Along with finding the mistake, if it’s fixable - I’ve never restarted a carve and skipped steps in gcode to save from re-doing all of it. I purposely haven’t closed Carbide Create or Carbide Motion in case I shouldn’t yet. But I’m almost 110,000 steps into a 550,000 carve.
Can anyone help out on this? I’m hoping I’m just missing something and then can learn about the gcode skipping, but who knows. I then have 3 other stl file panels for this design to carve.

Could you upload a photo showing the current state of things?

​How did you set the initial zero relative to the stock?


Here are 2 photos, the gantry is still waiting for me to swap the bit to the finishing bit because I didn’t know what to do.
I used the bit zero, first did the corner (x,y) zero and then on top (z) of the stock.

I would go ahead with the tool change — I suspect it’s the “Stock to Leave” parameter resulting in what seems to be not cutting deeply enough (or maybe the origin corner was thicker than the balance of the stock?) and that the 3D Finishing toolpath will take things down to the desired dimension.

If it doesn’t, then measure the finished part to determine how much the Z-axis should be lowered and then run the file again?

I’m only at .3"/7-8mm depth with the rough, with a total of .78/20mm needed total. Why would so much depth be left for finish?

Yea this is one of the rare cases a file could be easily run again and aligned without much issue. I always zero from bottom now. If my stock has highpoints which it almost always does it’s the cutters problem not mine!

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