# Changing Wall dimensions

**URL:** <https://discourse.shapr3d.com/t/changing-wall-dimensions/25862>\
**Category:** Feature requests\
**Created:** [May 17, 2023, 2:50pm UTC](https://discourse.shapr3d.com/t/changing-wall-dimensions/25862 "2023-05-17T14:50:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Johngerard](https://avatars.discourse-cdn.com/v4/letter/j/90db22/32.png) [@Johngerard](https://discourse.shapr3d.com/u/Johngerard)\
**Post date:** [May 17, 2023, 2:50pm UTC](https://discourse.shapr3d.com/t/changing-wall-dimensions/25862/1 "2023-05-17T14:50:34Z")

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Hi All,

I want to change the Wall thickness of an object such as a circle or cylinder. I want my wall thickness to be exactly 3mm in size. When I tap on the outer wall it allows me to change the total diameter distance. I want to be able to enter the wall thickness. Right now the wall thickness is in fractions of a mm. I like to define dimensions as a whole number for 3D printing such as 2mm or 3mm. Is there a way to do this task or can this be added as a feature?

Thank You

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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:** [May 18, 2023, 6:37am UTC](https://discourse.shapr3d.com/t/changing-wall-dimensions/25862/2 "2023-05-18T06:37:20Z")

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Hi,

Shell tool should do exactly what you are looking for, give it a shot. 🙂