Dawn Shawl, pattern N1090, is a lovely new pattern by Naturally Yarns. This pattern has two variations.
Both shawl styles are rectangular, and so can be made to fit your purpose! Knit as written, both styles use 1200yds of Lace weight yarn.
variation 1: 18.5" (47cm) x 59" (150cm)
variation 2: 17.75" (45cm) x 65" (165cm)
Suggested Yarn and Needles:
Lace weight yarn: 1200 yards, needle US 3 / 3mm