# Extrude mesh body

**URL:** <https://discourse.shapr3d.com/t/extrude-mesh-body/16476>\
**Category:** Modeling Questions\
**Created:** [December 22, 2021, 3:45pm UTC](https://discourse.shapr3d.com/t/extrude-mesh-body/16476 "2021-12-22T15:45:02Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![redspare1](https://avatars.discourse-cdn.com/v4/letter/r/b9e5f3/32.png) [@redspare1](https://discourse.shapr3d.com/u/redspare1)\
**Post date:** [December 22, 2021, 3:45pm UTC](https://discourse.shapr3d.com/t/extrude-mesh-body/16476/1 "2021-12-22T15:45:02Z")

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I want to select the top face and extrude up. It gives me an error when I try to do this.

 ![Screen Shot 2021-12-22 at 10.43.45 AM](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/e/e9cbf25f61d1bdaeb70b95eda4d497ae4f9df636.jpeg)

> **[Arduino Uno Snug Case by Esquilo](https://www.thingiverse.com/thing:994827/files)**
>
> A snug fitting case for the Arduino Uno with screw board mounts and a snap top. Shields may be installed over the top of the case. There are four holes on the top to view the four LEDs on the Arduino board. These holes can accommodate Bivar...

I can’t upload stl files here.

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**Author:** ![KPeter](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/kpeter/32/7644_2.png) [@KPeter](https://discourse.shapr3d.com/u/KPeter)\
**Post date:** [December 22, 2021, 3:50pm UTC](https://discourse.shapr3d.com/t/extrude-mesh-body/16476/2 "2021-12-22T15:50:35Z")

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Hello! STL files in CAD software can mainly be used as references. We have a limited toolset that can be applied on mesh files, let me share the relevant article with you:

> **[Can I modify mesh files in Shapr3D?](https://support.shapr3d.com/hc/en-us/articles/360024315354-Can-I-modify-mesh-files-in-Shapr3D-)**
>
> Save your mesh data in an STL file, and import it into Shapr3D.
> You can use the mesh data as a reference for your design with solid bodies, or modify it with boolean tools (Intersect, Union, and Su...

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**Author:** ![redspare1](https://avatars.discourse-cdn.com/v4/letter/r/b9e5f3/32.png) [@redspare1](https://discourse.shapr3d.com/u/redspare1)\
**Post date:** [December 22, 2021, 5:33pm UTC](https://discourse.shapr3d.com/t/extrude-mesh-body/16476/3 "2021-12-22T17:33:26Z")

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Please refund, I do not want this software.

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**Author:** ![KPeter](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/kpeter/32/7644_2.png) [@KPeter](https://discourse.shapr3d.com/u/KPeter)\
**Post date:** [December 22, 2021, 5:43pm UTC](https://discourse.shapr3d.com/t/extrude-mesh-body/16476/4 "2021-12-22T17:43:22Z")

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Sorry to see that ☹ Please [open a ticket](https://support.shapr3d.com/hc/en-us/requests/new) and let us know what email address you have registered your Shapr3D account with, it is necessary for initiating the refund.