# Problem of modeling

**URL:** <https://discourse.shapr3d.com/t/problem-of-modeling/22774>\
**Category:** Modeling Questions\
**Created:** [December 2, 2022, 12:01am UTC](https://discourse.shapr3d.com/t/problem-of-modeling/22774 "2022-12-02T00:01:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![WeiEn](https://avatars.discourse-cdn.com/v4/letter/w/49beb7/32.png) [@WeiEn](https://discourse.shapr3d.com/u/WeiEn)\
**Post date:** [December 2, 2022, 12:01am UTC](https://discourse.shapr3d.com/t/problem-of-modeling/22774/1 "2022-12-02T00:01:42Z")

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![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/7/f/7fffdecf346df2f31bbfd8dbd15cde9066c64fe3.jpeg)  
This is the model that I’m working on. Now the problem is you can see in the picture that there’s hollow between two wall. It’s there some solution that I can fix it?

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**Author:** ![Laci\_K](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/laci_k/32/8196_2.png) [@Laci\_K](https://discourse.shapr3d.com/u/Laci_K)\
**Post date:** [December 2, 2022, 10:29am UTC](https://discourse.shapr3d.com/t/problem-of-modeling/22774/2 "2022-12-02T10:29:04Z")

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Hi,

I would select one of the inner faces, and use replace face on the other, closing the hole.