# Expanding of volume

**URL:** <https://discourse.slicer.org/t/expanding-of-volume/9696>\
**Category:** Support\
**Tags:** segmentation\
**Created:** [January 3, 2020, 1:59am UTC](https://discourse.slicer.org/t/expanding-of-volume/9696 "2020-01-03T01:59:15Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![annigilus](https://avatars.discourse-cdn.com/v4/letter/a/6a8cbe/32.png) [@annigilus](https://discourse.slicer.org/u/annigilus)\
**Post date:** [January 3, 2020, 1:59am UTC](https://discourse.slicer.org/t/expanding-of-volume/9696/1 "2020-01-03T01:59:15Z")

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How can I expand borders of segment volume to defiend margin (1 cm for example) by single command?

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [January 3, 2020, 1:59am UTC](https://discourse.slicer.org/t/expanding-of-volume/9696/2 "2020-01-03T01:59:38Z")

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You can use Segment Editor’s Margin effect for this.