Alright, so heat is an issue. I intentionally spaced them semi-close to see if the shoulders that were closest would be problematic (They weren't.)
That being said, they weren't particularly great, and I had to press the corners down as suggested by EagleSeven, but it's definite progress.
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For those curious: this was printed with 10% infill, .27 layer height, with a single shell. Feed 30, travel 40, temp 190.