# I want to increase the thickness / height of this slice for 3d printing and also i want to reduce the file , the file size is 79mb , i want 20mb

**URL:** <https://discourse.slicer.org/t/i-want-to-increase-the-thickness-height-of-this-slice-for-3d-printing-and-also-i-want-to-reduce-the-file-the-file-size-is-79mb-i-want-20mb/42484>\
**Category:** Support\
**Created:** [April 8, 2025, 6:44am UTC](https://discourse.slicer.org/t/i-want-to-increase-the-thickness-height-of-this-slice-for-3d-printing-and-also-i-want-to-reduce-the-file-the-file-size-is-79mb-i-want-20mb/42484 "2025-04-08T06:44:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Vikram](https://avatars.discourse-cdn.com/v4/letter/v/e47774/32.png) [@Vikram](https://discourse.slicer.org/u/Vikram)\
**Post date:** [April 8, 2025, 6:44am UTC](https://discourse.slicer.org/t/i-want-to-increase-the-thickness-height-of-this-slice-for-3d-printing-and-also-i-want-to-reduce-the-file-the-file-size-is-79mb-i-want-20mb/42484/1 "2025-04-08T06:44:19Z")

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I want to increase the thickness / height of this slice for 3d printing and also i want to reduce the file , the file size is 79mb , i want 20mb .  
Can you please help me how i can increase the height of slice and also reduce the mb size.

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/d/b/db3a970cb6dd2ad5aab66605bf70af14f9fa8a5c.png)

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [April 8, 2025, 3:02pm UTC](https://discourse.slicer.org/t/i-want-to-increase-the-thickness-height-of-this-slice-for-3d-printing-and-also-i-want-to-reduce-the-file-the-file-size-is-79mb-i-want-20mb/42484/2 "2025-04-08T15:02:16Z")

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You can apply a transform to the model in Transforms module that changes the scale of the model. Scaling factors are in the diagonal of the transformation matrix.

You can decrease the size of a mesh using Surface Toolbox module (decimate or remesh).