This model has 3 perimeters and it was printed on it's side. The infll is youching the inner perimeter a little above that bulge.
Here is the infill touching the inner perimeter:
https://drive.google.com/file/d/0B0w...ew?usp=sharing
Here is the bulge:
https://drive.google.com/file/d/0B0w...ew?usp=sharing