# Toposurface Void for Underground Garage

**URL:** <https://forum.dynamobim.com/t/toposurface-void-for-underground-garage/6034>\
**Category:** Uncategorized\
**Created:** [September 6, 2016, 2:45pm UTC](https://forum.dynamobim.com/t/toposurface-void-for-underground-garage/6034 "2016-09-06T14:45:43Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Vikram\_Subbaiah](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/vikram_subbaiah/32/50797_2.png) [@Vikram\_Subbaiah](https://forum.dynamobim.com/u/Vikram_Subbaiah)\
**Post date:** [September 9, 2016, 2:09pm UTC](https://forum.dynamobim.com/t/toposurface-void-for-underground-garage/6034/2 "2016-09-09T14:09:08Z")

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@JDGregg See if this helps…  
[TopoTunnel.rvt](https://forum.dynamobim.com/uploads/short-url/f8qesgTMVgCeWOtjhGbmmX6Ie8T.rvt) (1.1 MB)

Elaborating on a suggestion provided [here](https://forum.dynamobim.com/t/create-a-solid-from-a-topography/6001/4)  
[topoSolidTunnel.dyn](https://forum.dynamobim.com/uploads/short-url/oNa78eD9ZhCRvMlhBfoI5i3zfsb.dyn) (11.9 KB)

 ![](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/2X/7/73ec33b9c2509b84a09c8f9a6906084351f2914f.png)  
 ![](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/2X/b/ba9f6f41781f7ecf8ceddbebca55160a4f8dba61.png)

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