I knit this swallowtail from Interweave (fall 06, I think?) using 3 skeins of Claudia and almost another full skein of koigu. I would use 4 skeins to Claudia to knit this! I knit 5 extra repeats of the budding lace pattern, on size 10 needles. The finished shawl is 72" across, and 45" down.