Window Fan Assembly: The sketch entities in the sweep path are converted from the Fan-Frame in the context of the top-level Window-Fan assembly.
Note that the sweep path is to the outside of the part. It is a general best practice to keep the sweep path to the inside and have the profile run around the outside to insure against self-intersection. In this case the path is to the outside so the dimensions defining the overall size can be inserted into the drawing from this feature.
Download: Window Fan Complexity: Complex Features used: Sweep, Shell, Mount
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