# Place walls on grid intersection

**URL:** <https://forum.dynamobim.com/t/place-walls-on-grid-intersection/87043>\
**Category:** Revit\
**Created:** [March 7, 2023, 11:02am UTC](https://forum.dynamobim.com/t/place-walls-on-grid-intersection/87043 "2023-03-07T11:02:27Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![BJozi](https://avatars.discourse-cdn.com/v4/letter/b/2bfe46/32.png) [@BJozi](https://forum.dynamobim.com/u/BJozi)\
**Post date:** [March 7, 2023, 11:02am UTC](https://forum.dynamobim.com/t/place-walls-on-grid-intersection/87043/1 "2023-03-07T11:02:27Z")

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I’m trying to place my walls between grid intersection, I can place the walls on the grids but they are the length of the grids so I must be close. I’m re-using a portion of another script as I want to merge this with the other script.

I have isolated the outer grids and have the intersection points of the grids but I’m struggling to workout how to connect the dots to make the lines between the intersections. Below is what I’ve made so far, I’m stuck on the last portion of the script.

 ![Place Walls On Grid Intersection](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/7/f/7ff5b680098f4d49465746deacc2d4339e4b139f.png)  
[Place Walls On Grid Intersection\_WIP\_20230307.dyn](https://forum.dynamobim.com/uploads/short-url/oz6Zoo1hQpHGJzTjGWNa5MJaP4k.dyn) (638.9 KB)

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<div class="post-metadata">

**Author:** ![BJozi](https://avatars.discourse-cdn.com/v4/letter/b/2bfe46/32.png) [@BJozi](https://forum.dynamobim.com/u/BJozi)\
**Post date:** [March 8, 2023, 8:47am UTC](https://forum.dynamobim.com/t/place-walls-on-grid-intersection/87043/2 "2023-03-08T08:47:10Z")

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Some more progres on this, I found this thread: [Order of points in space - #5 by Mark.Ackerley](https://forum.dynamobim.com/t/order-of-points-in-space/33271/5)

Which helped me get to the point where I have a polygon along the point on which to place walls, which is also where I’m stuck. How do I take the resulting polygon and turn it into curves which I can use with the make wall node?

 ![Place Walls On Grid Intersection_2023-03-08_09-44-44](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/4/d/4d3a2486514c993fb9efcb5a6cc385a55fe9841c.png)

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<div class="post-metadata">

**Author:** ![BJozi](https://avatars.discourse-cdn.com/v4/letter/b/2bfe46/32.png) [@BJozi](https://forum.dynamobim.com/u/BJozi)\
**Post date:** [March 9, 2023, 12:08pm UTC](https://forum.dynamobim.com/t/place-walls-on-grid-intersection/87043/3 "2023-03-09T12:08:14Z")

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I found the missing piece in this thread: [Create AreaBoundary lines from coordinates](https://forum.dynamobim.com/t/create-areaboundary-lines-from-coordinates/45475)

 ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/b/5/b5c8e3cc6781a73bfb4bd3436b376371630eb16b.png)

And the final part of the script

 ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/d/2/d298ffe0ca3e9a0f2d4666a440ae8ff71b6d7521.png)