# How to Remove a Gridline from a curtain wall

**URL:** <https://discourse.mcneel.com/t/how-to-remove-a-gridline-from-a-curtain-wall/114936>\
**Category:** Revit\
**Tags:** windows\
**Created:** [December 21, 2020, 5:10pm UTC](https://discourse.mcneel.com/t/how-to-remove-a-gridline-from-a-curtain-wall/114936 "2020-12-21T17:10:39Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Rickson](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/rickson/32/690545_2.png) [@Rickson](https://discourse.mcneel.com/u/Rickson)\
**Post date:** [December 21, 2020, 5:37pm UTC](https://discourse.mcneel.com/t/how-to-remove-a-gridline-from-a-curtain-wall/114936/2 "2020-12-21T17:37:09Z")

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see the components in this thread…

> [@Curtain Wall Grid](https://discourse.mcneel.com/t/curtain-wall-grid/103674/3):
>
> Hi @eirannejad thanks a lot for sending the stuff through! It works great when revit/rhino units are set to feet, but once I change the revit/rhino units to mm or meters, I am not able to generate any gridlines (first python component gives null values). Am I missing something really obvious here? I have jumped into the coding world just recently, so apologies for asking silly questions. Thanks again. Dan

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