Using US size 50 needles probably helped.
Ravelry pattern link: here
Project page link: here
Yarn link: here
The pattern by Ravelry user Pollyfoofoo is based off a knit seen in the show Outlander:
(Honestly, every knit from this show is amazing)
If you have not watched the show, I highly recommend it (as well as the books). For more convincing, see this piece from buzzfeed here.
A real post with real project photos coming soon!