# Re-edit an existing STL file from Thingsverse

**URL:** <https://discourse.shapr3d.com/t/re-edit-an-existing-stl-file-from-thingsverse/7229>\
**Category:** Modeling Questions\
**Created:** [April 17, 2020, 6:25pm UTC](https://discourse.shapr3d.com/t/re-edit-an-existing-stl-file-from-thingsverse/7229 "2020-04-17T18:25:36Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Matt\_the-Rathje](https://avatars.discourse-cdn.com/v4/letter/m/49beb7/32.png) [@Matt\_the-Rathje](https://discourse.shapr3d.com/u/Matt_the-Rathje)\
**Post date:** [November 16, 2022, 5:12pm UTC](https://discourse.shapr3d.com/t/re-edit-an-existing-stl-file-from-thingsverse/7229/4 "2022-11-16T17:12:28Z")

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> [@Peter\_b](#):
>
> Somehow strange I have to us Tinkercad to modify STL files instead of Shapr3d

If you take into consideration that Shapr3D is CAD-Program based on a (Para)-SOLID-Kernel, it is way less strange that it is not capable of editing MESH-Files. (Shapr3D is not meant for Sculpting, at least in my oppinion.)  
BUT (and this is something I find extraordinary): You can in fact import the STL-File into Shapr, Add geometry with Shapr-features and unite the bodies, or subtract them! That way you can make a mould of a STL-file, if you want.

Lets say you would like to do similar on SolidWorks for instance:

- You need a Professional or Premium-License that includes the „ScanTo3D“-Addin, costing 8500€
- you need to turn the mesh-body into a solid in order to use SolidWorks-features on it.

I have to say: I am quiet happy with how Shapr3D handles STL-files - and that it does at all!

Cheers Matt

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