To keep each row's layout, I "webbed the top" a la Bonnie Hunter, only on a miniature scale.
Pressing each seam open helped with the bulk.
The HSTs are nearing "Omigosh" size. And it didn't drive me mad.
Well, I don't know, you think this one inch border is too wide? :)
See more Design Walls on Judy's Patchwork Times.