# Why I cannot Per-Structure Volume

**URL:** <https://discourse.slicer.org/t/why-i-cannot-per-structure-volume/3124>\
**Category:** Support\
**Tags:** build, segmentation\
**Created:** [June 8, 2018, 11:53am UTC](https://discourse.slicer.org/t/why-i-cannot-per-structure-volume/3124 "2018-06-08T11:53:57Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Fang](https://avatars.discourse-cdn.com/v4/letter/f/96bed5/32.png) [@Fang](https://discourse.slicer.org/u/Fang)\
**Post date:** [June 8, 2018, 12:59pm UTC](https://discourse.slicer.org/t/why-i-cannot-per-structure-volume/3124/3 "2018-06-08T12:59:09Z")

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Hi Csaba,

Thank you for your helping.  
I got a problem as [this link](https://discourse.slicer.org/t/stl-file-uploaded-does-not-appear-as-a-volume/3114/2)

As you said, the STL file contains one structure so I follow the suggestion and then I got the labelmap.  
My aim is to segment the tooth from the STL. But I don’t sure for the process how can I do that.

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