Haven't really seen this in the press. Godspeed! 

But the only reason she was the "model" for Rosie was because she was in fact working as a riveter in a plant when the artist was touring for ideas. He saw her and got the idea for Rosie, so yes, she was quite literally, the character.

The more you know

Actually there's more to the story than that she was just a worker and didn't know she was the one the pic was about. She didn't find out it was her till like the 90's. There's a hole thing. you should look it up its interesting history.

like a donut hole?

All of the holes!