# Cannot find Curved Planar reformat Module in the Extension Manager

**URL:** <https://discourse.slicer.org/t/cannot-find-curved-planar-reformat-module-in-the-extension-manager/19183>\
**Category:** Support\
**Tags:** extensions-manager\
**Created:** [August 13, 2021, 10:41am UTC](https://discourse.slicer.org/t/cannot-find-curved-planar-reformat-module-in-the-extension-manager/19183 "2021-08-13T10:41:50Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![xiaolin](https://avatars.discourse-cdn.com/v4/letter/x/c4cdca/32.png) [@xiaolin](https://discourse.slicer.org/u/xiaolin)\
**Post date:** [August 13, 2021, 10:41am UTC](https://discourse.slicer.org/t/cannot-find-curved-planar-reformat-module-in-the-extension-manager/19183/1 "2021-08-13T10:41:50Z")

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Hi Everyone, I am here again.  
I am trying to add a centerline into my animal heart model in 3D Slicer (Win. 4.11.20210226) as the tutorial [New vessel branch extraction module for 3D Slicer - YouTube](https://www.youtube.com/watch?v=yi07mjr3JeU&t=146s). But I cannot find the “Curved Planar reformat Module” in the Extension Manager. Does anyone know how to make it?  
Thanks in advance and have a lovely weekend.

Xiaolin

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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:** [August 13, 2021, 8:06pm UTC](https://discourse.slicer.org/t/cannot-find-curved-planar-reformat-module-in-the-extension-manager/19183/2 "2021-08-13T20:06:48Z")

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The module is in the “Sandbox” extension.