This pattern is constructed from the top down and begins with a garter tab. The main portion of the shawl includes stockinette stitch, garter ridges, lace, and a tiny bit of marling. I have included video tutorial links for the increase stitches and for the stretchy bind off at the end.

Gauge
21 sts and 34 rows make a 4” (10 cm) square in stockinette stitch, worked flat, AFTER blocking

Materials
1148 total yards (287g/1050m) of fingering weight yarn in 3 colors 
Yardage breakdown:
Color A: 312yds (78g/285m)
Color B: 280yds (70g/256m)
Color C: 556yds (139g/509m)

US 6 (4.00mm) circular needles with a 40” (100cm) cord or longer 2 stitch markers
Tapestry needle for weaving in ends
Blocking mats and pins

Skills/stitches Required
Knit/purl
Make 1 left and right (m1L/m1R)
Purl front and back (pfb)
Yarns overs
Knit 2 stitches together