# Help with filling in hollow structures

**URL:** <https://discourse.shapr3d.com/t/help-with-filling-in-hollow-structures/20472>\
**Category:** Modeling Questions\
**Created:** [July 21, 2022, 8:23pm UTC](https://discourse.shapr3d.com/t/help-with-filling-in-hollow-structures/20472 "2022-07-21T20:23:43Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![alal8](https://avatars.discourse-cdn.com/v4/letter/a/ce73a5/32.png) [@alal8](https://discourse.shapr3d.com/u/alal8)\
**Post date:** [July 21, 2022, 8:23pm UTC](https://discourse.shapr3d.com/t/help-with-filling-in-hollow-structures/20472/1 "2022-07-21T20:23:44Z")

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Hello,

Beginner user here. I have designed an incense holder with a circular-ish base with buildings on top of it. Both the base and buildings are hollow. How can I fill them in to be solid? Some objects go below the surface into the base’s inside, so it has been difficult for me to try and make them solid. I have attached photos of what I am talking about. I can also send the file if that helps.

Hopefully you can see what I am talking about from the pictures I uploaded to the imgur link. There are both images of the outside and then the issue.

[[Album] imgur.com ![](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/3/6/36eea515f69bfb64f7b6d3af89c23cd2726e69f5.jpeg "imgur.com") ](https://imgur.com/a/Hwl9X9Y)

Thank you

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**Author:** ![Chayanne](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/chayanne/32/8789_2.png) [@Chayanne](https://discourse.shapr3d.com/u/Chayanne)\
**Post date:** [July 22, 2022, 8:48pm UTC](https://discourse.shapr3d.com/t/help-with-filling-in-hollow-structures/20472/2 "2022-07-22T20:48:14Z")

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[![](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/6/1/619fb03e00e2349c89e5d9821223b07309d9d87a.jpeg "Filling in hollow structure") ](https://www.youtube.com/watch?v=WyMDoUHQqHc)