# How to adjust the diameter of lines

**URL:** <https://discourse.slicer.org/t/how-to-adjust-the-diameter-of-lines/19299>\
**Category:** Support\
**Tags:** registration\
**Created:** [August 22, 2021, 2:09pm UTC](https://discourse.slicer.org/t/how-to-adjust-the-diameter-of-lines/19299 "2021-08-22T14:09:29Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Post date:** [August 22, 2021, 5:46pm UTC](https://discourse.slicer.org/t/how-to-adjust-the-diameter-of-lines/19299/2 "2021-08-22T17:46:12Z")

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See the following thread which covered this topic

> [@Slice Intersection Thickness](https://discourse.slicer.org/t/slice-intersection-thickness/18932/3):
>
> You need to dig into how to get the slice display nodes, but in most cases this for example will set the red slice intersection thickness to 5 points: getNode('vtkMRMLModelDisplayNode1').SetLineWidth(5)

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