When working with scans (meshes) in Fusion 360 part of your job will be repairing inconsistencies within the scan. Here is a quick example of repairing some of the weirdness that may come in from the scan. In the scan below of the blade, there are some irregularities that may result in undesired results when using the part downstream.
Before we begin, one thing that may be helpful is to turn on is the Mesh Palette. This allows the user to control the brush size and to modify the selection set on the fly. It is also useful to periodically select the entire part to understand how many faces the part is made of. Again, useful information later on if trying to convert the part to a BREP (https://en.wikipedia.org/wiki/Boundary_representation).
In this example, the lasso selection tool will be used. Important note, turn on the "Select Back Faces" option in the Mesh Palette. This will not only allow the selection of "normal" faces but all faces in this case "lassoed". In the below image you will see the "Select Back Faces" turned off and the following image is the result of having the "Select Back Faces" turned on with the same area selected.
Now to remove the offending faces so the area can be rebuilt.
The result left is basically a missing face that we can easily rebuild using the "Erase and Fill" command. Since the Mesh Palette is turned on we can easily turn back off the "Select Back Faces" to avoid the selection of faces through the part. After lassoing the hole and changing the "Meshing Type" to "Minimal" we get the result anticipated.
As always, I hope this finds you well.
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