# Edit Shell / Wall Thickness

**URL:** <https://discourse.shapr3d.com/t/edit-shell-wall-thickness/22907>\
**Category:** Modeling Questions\
**Created:** [December 7, 2022, 10:11pm UTC](https://discourse.shapr3d.com/t/edit-shell-wall-thickness/22907 "2022-12-07T22:11:49Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![AbidingDude](https://avatars.discourse-cdn.com/v4/letter/a/13edae/32.png) [@AbidingDude](https://discourse.shapr3d.com/u/AbidingDude)\
**Post date:** [December 7, 2022, 10:11pm UTC](https://discourse.shapr3d.com/t/edit-shell-wall-thickness/22907/1 "2022-12-07T22:11:49Z")

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Hi all,  
I have been working to create a chess piece and was trying to stack the crown onto the top of it. However, I had already hollowed/ shelled out the main body and only after I got done designing the crown part did I realize that I have the wrong shell / wall thickness for the body.

My question is how do I adjust the shell thickness without hitting undo until I get to that point?

I feel like its fairly simple, but when I looked it up I couldn’t seem to find anything anywhere about adjusting it when it wasn’t one of the last commands. The biggest problem I have is that I decided to create the body by stacking layers and then unifying them rather than doing a revolve, so now I can’t really just delete the body and redo the sketch because all the sketches are stacked perpendicular to the shell. I know this design is extremely simple and would only take 5 minutes to redo, but I can see myself and others having this issue when its not such an easy design to redo. I will include a screen shot.

 ![Screen Shot 2022-12-07 at 1.47.15 PM](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/a/9/a99ffa0efdf3f979be1ad1f183decc620d50161b.jpeg)

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**Author:** ![Istvan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/istvan/32/23668_2.png) [@Istvan](https://discourse.shapr3d.com/u/Istvan)\
**Post date:** [December 7, 2022, 10:15pm UTC](https://discourse.shapr3d.com/t/edit-shell-wall-thickness/22907/2 "2022-12-07T22:15:54Z")

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Sselect all the internal faces, and hit delete. Then apply the Shell tool again.

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**Author:** ![AbidingDude](https://avatars.discourse-cdn.com/v4/letter/a/13edae/32.png) [@AbidingDude](https://discourse.shapr3d.com/u/AbidingDude)\
**Post date:** [December 8, 2022, 3:28pm UTC](https://discourse.shapr3d.com/t/edit-shell-wall-thickness/22907/3 "2022-12-08T15:28:43Z")

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Awesome, that worked great, thank you!