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Cutting a thick hole in sphere

ZBrush Usage Questions
#1

Hi all,:smiley:

I am currently trying to cut a round hole in a 3D sphere. I have tried using mesh axtraction by:


  • Masking out a circle on the sphere
  • Inversing it so that everything apart from the circle is Masked
  • Then use Mesh extract
This worked like a treat resulting in the extracted sphere with a thick edged hole in it. However if I try to do this again on the newly extracted geometry, the new hole becomes twice as thick and even the other hole on the sphere becomes smoothed and loses its edge.

I have tried many other ways such as using retropoliogy to remove points and deleting areas defined in a mask, but this only results in a very thin hole. Any help you can give me will be greatly appreciated :slight_smile:

#2

http://www.pixologic.com/docs/index.php/Topology:_Mesh_Editing

#3

Thanks Aurick for those references. I have tried the Topology mesh editing tutorial you have provided which is how I found out about the retropology. This seems good to cut out holes and to bridge them together but I was wondering is there any way I can just keep regularly cutting thick holes out of the sphere?