# How to set the crosshair of slice interaction to be thicker?

**URL:** <https://discourse.slicer.org/t/how-to-set-the-crosshair-of-slice-interaction-to-be-thicker/21026>\
**Category:** Development\
**Tags:** python\
**Created:** [December 12, 2021, 10:25am UTC](https://discourse.slicer.org/t/how-to-set-the-crosshair-of-slice-interaction-to-be-thicker/21026 "2021-12-12T10:25:54Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![jumbojing](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jumbojing/32/10811_2.png) [@jumbojing](https://discourse.slicer.org/u/jumbojing)\
**Post date:** [December 12, 2021, 10:25am UTC](https://discourse.slicer.org/t/how-to-set-the-crosshair-of-slice-interaction-to-be-thicker/21026/1 "2021-12-12T10:25:54Z")

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The crosshair of slice interaction is too thin to see clearly,How to set it to be thicker in slices?

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/f/e/fe6845f24ce862be41a22667f7ffaaaa33caf445.jpeg)

@lassoan@Juicy@jamesobutler @jcfr @pieper

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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:** [December 12, 2021, 6:38pm UTC](https://discourse.slicer.org/t/how-to-set-the-crosshair-of-slice-interaction-to-be-thicker/21026/2 "2021-12-12T18:38:48Z")

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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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**Author:** ![jumbojing](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jumbojing/32/10811_2.png) [@jumbojing](https://discourse.slicer.org/u/jumbojing)\
**Post date:** [December 12, 2021, 7:55pm UTC](https://discourse.slicer.org/t/how-to-set-the-crosshair-of-slice-interaction-to-be-thicker/21026/3 "2021-12-12T19:55:46Z")

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@jamesobutler Thanks  
谢谢老师

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/5/d/5d67ce6140be4dcea36991895644d2ed65a121e1.png)