Deleting a centered negative shape

LightBurn Software Questions
1

I’m trying to engraved a glass with a portrait (2 people, wedding pic). I did what I usually do and opened up in Photoshop to delete the background, and erase any weird shapes it didn’t catch. This just makes a mask, so I then use the trace tool after importing into lightburn, because the former background is just white now. If it wasn’t a portrait, I wouldn’t care, because that white negative space wouldn’t get cut by the laser. But I have to run it as a negative, or it won’t look right. Here’s the problem:

There’s a small negative space directly in the center, basically between their shoulders and necks. The trace tool outlined everything it was supposed to, including this shape. After deleting minor traced shapes, I clicked on the main outline, then the background to apply the mask, then flatten. But it doesn’t include this center shape. And if I go back and do it again after, now it’s trying to keep the center shape, and mask the portrait. So I’m trying to figure out how to flatten both the background, and this center negative shape. I can upload the file this evening if need be, but I’m out for the day

Thank you all in advance!

2

Very helpful to have file to look at in these cases.

3

I’ll be uploading it this evening when I get home if I haven’t figured it out by then

4

Apply a small offset (e.g. 0.1 mm) to this space and try your mask again. Remember that the mask works like a toggle.
Without a photo/file, this is what I can remember.

5

SOLVED EVERYONE.

Simple fix. I selected both the line around the bodies, then grouped it with the interior shape. Then I just followed steps like normal. Anything other than that would either not include the interior shape (it would just be the outline), or mask/flatten the people when trying to select the shape.

6

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