Midsurface Issues
Condition
You are in the Midsurface tool and no valid selection is highlighted.
Cause
Input geometry is a surface (shell).
Input geometry is a solid with missing surfaces.
Remedy
- If the input geometry is a surface (shell), there is no need to use the Midsurface tool.
- If the input geometry is a solid with missing surfaces use Fill Hole tool in Defeature to identify and repair holes as well as incomplete or overlapping surfaces.