# How to file holes in STL files

**URL:** https://discourse.vtk.org/t/how-to-file-holes-in-stl-files/4200
**Category:** Development
**Created:** [September 11, 2020, 10:35am UTC](https://discourse.vtk.org/t/how-to-file-holes-in-stl-files/4200 "2020-09-11T10:35:46Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![gautam\_kumar\_singh](https://discourse.vtk.org/user_avatar/discourse.vtk.org/gautam_kumar_singh/32/2188_2.png) [@gautam\_kumar\_singh](https://discourse.vtk.org/u/gautam_kumar_singh)
#### Post date: [September 11, 2020, 10:35am UTC](https://discourse.vtk.org/t/how-to-file-holes-in-stl-files/4200/1 "2020-09-11T10:35:46Z")

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Hello,

I am wondering how to fill holes appear in STL file.

Please suggest

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### Author: ![bertikrueger](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/b/ce73a5/32.png) [@bertikrueger](https://discourse.vtk.org/u/bertikrueger)
#### Post date: [September 30, 2020, 4:43am UTC](https://discourse.vtk.org/t/how-to-file-holes-in-stl-files/4200/2 "2020-09-30T04:43:59Z")

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I don’t know if i understand you correctly. Maybe you should give a bit more context. That would also increase your chances that people can help you.

There is an excellent example on the vtk-website which shows how to fill holes in meshes:

[https://lorensen.github.io/VTKExamples/site/Cxx/Meshes/FillHoles/](https://lorensen.github.io/VTKExamples/site/Cxx/Meshes/FillHoles/)

![TestFillHoles](https://discourse.vtk.org/uploads/default/original/2X/8/8462b715b97bb0e4a766d86fec2615ffb3d162d2.png)

Hope it helps.