# Join two liners

**URL:** <https://forum.itascainternational.com/t/join-two-liners/1756>\
**Category:** FLAC3D\
**Created:** [October 15, 2024, 3:05pm UTC](https://forum.itascainternational.com/t/join-two-liners/1756 "2024-10-15T15:05:27Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Zakaria](https://avatars.discourse-cdn.com/v4/letter/z/b5ac83/32.png) [@Zakaria](https://forum.itascainternational.com/u/Zakaria)\
**Post date:** [October 15, 2024, 3:05pm UTC](https://forum.itascainternational.com/t/join-two-liners/1756/1 "2024-10-15T15:05:27Z")

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Hello everyone,  
I’m trying to build a liner on top of another one generated in the previous phase.  
While cycling the current phase with two liners, I see that they are not linked together (figure below with deformation factor).  
I tried structure node join command, but the model crashes after.  
Could anyone explain to me how can I make sure that my liners are connected ? And, is the structure node join command is the right one to do so ?

 ![image](https://canada1.discourse-cdn.com/flex031/uploads/itasca/original/2X/5/5308f99469d8469ce406155cd8c63ab888d9152e.png)

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**Author:** ![jhazzard](https://avatars.discourse-cdn.com/v4/letter/j/4af34b/32.png) [@jhazzard](https://forum.itascainternational.com/u/jhazzard)\
**Post date:** [October 18, 2024, 3:28am UTC](https://forum.itascainternational.com/t/join-two-liners/1756/2 "2024-10-18T03:28:26Z")

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If you give them the same ID, they will be joined. e.g.  
struct create by-zone-face id 1 range …

And then when you make the second liner, use the same id.

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<div class="post-metadata">

**Author:** ![Zakaria](https://avatars.discourse-cdn.com/v4/letter/z/b5ac83/32.png) [@Zakaria](https://forum.itascainternational.com/u/Zakaria)\
**Post date:** [October 18, 2024, 7:04am UTC](https://forum.itascainternational.com/t/join-two-liners/1756/3 "2024-10-18T07:04:07Z")

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Thanks for the tip Jim !