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Bizarre Faces when Using "Close Holes"

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#1

Hi!

I am learning ZBrush and in an attempt to close some tiny holes in my mesh, I used Modify Topology > Close Holes. Fair enough…It worked for all the tiny holes except the one you see in the attached image. The purple area is floating above the model and not attached to it except where the hole once was. Looks like a liquid spilling out from the hole!

Update: I noticed that these strange areas were already in the model. They were just hidden until I did the Close-Holes operation. Which is also bizarre. How did these areas get created in the first place?Close Holes Weirdness LoR.jpg

#2

If the stray part is a different polygroup, in the Modify Topology options you can just hide it and then delete hidden.

#3

Thanks for your reply, Bonnie.

That should work normally, I suppose, but somehow this model has gotten screwed up. Whenever I select the weird polys and hide them, ZBrush randomly chooses another area in the model to hide as well. I noticed this happening with painting too…Painting in one area, and finding that some of that painting got randomly copied somewhere else. Like a UV issue where the UV’s became overlapped. I am not too surprised…This is my first week with ZBrush and I probably mangled something along the way. I started and completed a new model from scratch, and it does not have this problem.

#4

Have you unwittingly turned symmetry on? That might explain the duplicated strays.