Kelbourne Woolens The Knightsbridge Collection Patterns - Alastair is a similar pattern: scarf garment, for women, worsted (19-20 sts/4 in) yarn gauge, and 360 yarn yardage. You may also like Manos Del Uruguay Patterns - Tromen, which is another similar pattern: 16 (4 sts. / inch) finished gauge, scarf garment, for women, and worsted (19-20 sts/4 in) yarn gauge.
You may enjoy taking a look at the Madelinetosh Tosh Merino Cowboy Cowl, and Malabrigo Worsted Merino Ruffled and Ruched Scarf kits all using Pam Powers Knits Patterns.
Hopefully our suggested yarn options for Triple Plait can help you come up with your next exciting new project idea!