Why are you printing this? Surface finish is super important to airflow in a design like this. Printing an overhang layer is not functionally adequate.
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Why are you printing this? Surface finish is super important to airflow in a design like this. Printing an overhang layer is not functionally adequate.
Mockup. Will be a few weeks before the real fan is delivered.
I would put the model in CAD and make it solid using a couple of booleans. FreeCAD can convert a mesh to a solid in the Part workbench.