Error importing STL geometry "could not match up all facet edges"

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Error importing STL geometry "could not match up all facet edges"

Submitted Questions
I have errors when importing .stl files. The error is:

  "could not match up all facet edges"
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Re: Error importing STL geometry "could not match up all facet edges"

Precise Simulation
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This post was updated on .
Submitted Questions wrote
I have errors when importing .stl files. The error is:

  "could not match up all facet edges"

This error message means that there are too large "gaps" between the facets in your stl file resulting in a "non-watertight" geometry (mesh generators require "watertight" geometries with no gaps as input). Please see the following section in the documentation for reference:

https://www.featool.com/doc/geom.html#geom_cad_stl

To fix this you can possibly try to re-generate the stl file from the original data with a higher tolerance. Alternatively, FEATool Multiphysics (not available with CFDTool) includes a MATLAB function that can be used to try basic mesh repair:

https://www.featool.com/doc/mesh__repair_8m.html

or you can maybe try to find some other mesh repair software, see for example this linked article which contains tips for mesh repair techniques and recommended tools:

https://formlabs.com/blog/best-stl-file-repair-software-tools