This pattern is available on Ravelry.
Dawn Catanzaro’s Izzy blanket turns a corner in three colors of Willet, using mitered shaping to take the garter-stitch blanket from bottom and right edges down to the point upper left corner. The color-blocking possibilities and personalizations on this one are endless.
4 skeins windlass 708
1 skein flare 705
5 skeins oar 706
40” circular in size US 5 / 3.75 mm
Long-tail cast on (link provided); decreasing.