After a user imported a Step file and sewn into a solid body, all of the
cylindrical and conical faces were split into separate faces. The faces needed
to be joined together but the option Join Faces raised an error that there were
no mergable faces, what other options are there to join those faces.
One option would be to use the Synchronouse Modeling option "Optimize face"
to fix those split faces.
Insert --> Synchronous Modeling --> Optimize --> Optimize face
Notes and References
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