# Remove faces in contact with non-manifold edges

**URL:** https://discourse.vtk.org/t/remove-faces-in-contact-with-non-manifold-edges/4116
**Category:** Support
**Created:** [September 1, 2020, 1:23am UTC](https://discourse.vtk.org/t/remove-faces-in-contact-with-non-manifold-edges/4116 "2020-09-01T01:23:19Z")
**Posts on this page:** 1
**Showing post:** 14

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### Author: ![lassoan](https://discourse.vtk.org/user_avatar/discourse.vtk.org/lassoan/32/50_2.png) [@lassoan](https://discourse.vtk.org/u/lassoan)
#### Post date: [June 13, 2022, 4:08am UTC](https://discourse.vtk.org/t/remove-faces-in-contact-with-non-manifold-edges/4116/14 "2022-06-13T04:08:00Z")

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I don’t think vtkbool is accesible via pip.

If you don’t want to build VTK then one option is to use VTK in the virtual Python environment that [3D Slicer](https://www.slicer.org/) provides. vtkbool is built as part of the Sandbox extension, so after installing 3D Slicer, [install the Sandbox extension](https://slicer.readthedocs.io/en/latest/user_guide/extensions_manager.html#install-extensions). You can get started with vtkbool using the convenient GUI of [“Combine models” module](https://github.com/PerkLab/SlicerSandbox/blob/master/CombineModels/CombineModels.py).

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